Buick · 2005-2009

LaCrosse — W-body / GMX365 (2005–2009)

lacrosse · lacrosse cx · lacrosse cxl · lacrosse cxs · lacrosse super · allure · allure cx · allure cxl

137 option rows 137 RPO codes 5 model years

100% Factory-verified

✓ Factory-verified · 137
● Confirmed · 0
◑ Single-source · 0
⚠ Disputed · 0

Applicable options

Documented RPO codes

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Model year

Show internal codes (36)

LaCrosse — W-body / GMX365 (2005–2009) RPO codes
Code	Option	Years	Notes & factory source	Confidence
Engines
L26	Engine, gas, 6 cylinder, 3.8L, sequential fuel injection, V6, GM	2005–2009	3.8 L V6 (Wikipedia). GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
LS4	Engine, gas, 8 cylinder, 5.3L, sequential fuel injection, aluminum, cylinder deactivation, GM	2008	5.3 L V8 of the LaCrosse Super (Wikipedia); the 2009 list does not print LS4. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
LY7	Engine, gas, 6 cylinder, 3.6L, sequential fuel injection, V6, aluminum, 60 degrees, GM	2005–2008	3.6 L V6 (Wikipedia); the 2009 list does not print it. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
Transmissions
M15	Transmission, automatic, 4 speed, HMD, 4T65-E, enhanced electronic	2005–2009	4T65-E automatic (Wikipedia). GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
MN7	Transmission, automatic, 4 speed, HMD, 4T65-E, heavy duty	2008–2009	4T65-E heavy-duty automatic (Wikipedia names a 4T65E-HD). GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
MX0	Merchandised transmission, automatic provisions, overdrive	2006–2009	The 2006 list prints MXO (letter O) as "Merchandised Trans-Auto Provisions,O/D"; the 2007 to 2009 lists print MX0 (zero), which is the code. TriShield agrees on the meaning. GM factory document — 2006 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
Axles
F83	Ratio, transaxle final drive, 3.05	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
FQ3	Ratio, transaxle final drive	2005–2006	The 2005 and 2006 lists print no ratio. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
FR2	Ratio, transaxle final drive, 2.93	2008–2009	TriShield agrees on the meaning. GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
FR3	Ratio, transaxle final drive, 3.69	2005–2008	The 2007 and 2008 lists print 3.69; the 2005 and 2006 lists print no ratio. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
Packages & Trims
R13	Appearance package, chrome exterior	2005–2007	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1.	Factory-verified
WBY	Model conversion, Allure	2005–2009	The 2005 and 2006 lists word it as Allure name plate ornamentation. Allure was the Canadian name for the car (Wikipedia). GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
Equipment
9L3	Tire, spare, delete	2009	GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AG1	Adjuster, front seat, power, multi-directional, driver	2005–2009	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AG2	Adjuster, passenger seat, power, multi-directional	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AK5	Restraint system, seat, inflatable, driver and passenger	2005–2007	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1.	Factory-verified
AL0	Sensor indicator, inflatable restraint, front passenger/child presence detector	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AL9	Control, seat, power lumbar, driver	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AM9	Seat, rear, split back, folding	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AP3	Lock control, entry, remote, keyless entry, start	2005–2009	The 2008 and 2009 lists add that it is not to be used after the 2009 model year. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AP8	Lock control, entry, remote entry, extended range	2006–2008	The 2006 list misspells "Extended" as "Extender". GM factory document — 2006 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
AP9	Net, convenience	2006–2009	GM factory document — 2006 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AR9	Seat, front bucket, deluxe	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AT8	Restraint provisions, child, rear seat, rear facing	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AV8	Seat center, front bucket, auxiliary, folding	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
AY1	Restraint system, seat, inflatable, driver and passenger, roof side	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
B34	Covering, front, floor mats, carpeted insert	2007–2009	TriShield agrees on the meaning. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
B35	Covering, rear, floor mats, carpeted insert	2007–2009	TriShield agrees on the meaning. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
B36	Covering, floor mat, luggage compartment	2005–2008	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
B37	Covering, floor mat, front and rear, auxiliary	2005–2008	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
C67	HVAC system, air conditioner, front, electronic controls	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
CF5	Roof, sun, glass, sliding, electric	2005–2009	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
CJ2	HVAC system, air conditioner, front, automatic temperature control, auxiliary temperature control	2005–2009	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
D52	Spoiler, rear end, sport	2005–2008	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
D55	Console, front compartment, floor	2007–2009	TriShield agrees on the meaning. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
D81	Spoiler, rear, aero wing	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
DD8	Mirror, inside rearview, light sensitive	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
DG7	Mirror, outside, left and right, remote control, electric, color	2005–2008	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
DH6	Mirror, inside front vanity, left and right, sunshade, illuminated	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
DK2	Mirror, outside, left and right, remote control, electric, heated, color	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
DK6	Console, roof, interior	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
FE1	Suspension system, soft ride	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
FE2	Suspension system, ride, handling	2005–2008	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
FE4	Suspension system, special ride and handling	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
J65	Brake system, power, front and rear disc	2005–2007	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1.	Factory-verified
JL4	Control, active brake	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
JL9	Brake system, power, front and rear disc, antilock, front and rear wheel	2005–2009	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
K05	Heater, engine block	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
KA1	Heater, seat, front	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
KG7	Generator, 125 amp	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
N05	Lock control, fuel filler cap	2005	GM factory document — 2005 buick lacrosse rpo code list, p.1.	Factory-verified
N37	Steering column, tilt, telescoping	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
N85	Wheel, 17 x 6.5, aluminum	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NK5	Steering wheel, standard	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NP5	Steering wheel, leather wrapped	2005–2009	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NW5	Wheel, 18 x 7, aluminum	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NW7	Traction control, powertrain management only	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NW9	Traction control, electronic	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
P04	Wheel, 17 x 6.5, aluminum, sport	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
P23	Wheel, 17 x 6.5, aluminum, chrome	2005–2008	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
PY0	Wheel, 16 x 6.5, aluminum	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
PY1	Wheel, 16 x 6.5, aluminum, chrome	2005–2008	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
PZE	Wheel, 17 x 6.5, aluminum, chrome, variation 1	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
QB5	Wheel, 16 x 6.5, steel	2005–2008	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
QD1	Wheel, 16 x 6.5, aluminum, styled	2005–2006	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
QDG	Tire, all, P235/50R18-97W BW R/PE ST TL HWY	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
QG9	Wheel, 16 x 6.5, aluminum, machine faced	2007	GM factory document — 2007 buick lacrosse rpo code list, p.1.	Factory-verified
QNW	Tire, all, P225/55R17-95S BW R/PE ST TL AL2	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
QPX	Tire, all, P225/60R16-97S BW R/PE ST TL ALS	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
QR2	Wheel, 18 x 7, aluminum, chrome	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
QVS	Tire, all, P225/55R17-95T BW R/PE ST TL AL2	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
T62	Lamp system, daytime running, delete	2005	GM factory document — 2005 buick lacrosse rpo code list, p.1.	Factory-verified
T96	Lamp, fog, front	2007–2009	The 2009 list words it "Lamp - Front Fog, FMVSS". GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
TR0	Lamp, interior, roof, rear, courtesy and dual reading	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U19	Speedometer, instrument, kilometers and miles, kilometer odometer	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U1C	Radio, AM/FM stereo, seek/scan, CD, clock, ETR	2005–2007	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1.	Factory-verified
U1V	Radio, AM/FM stereo, seek/scan, multi CD, clock, ETR, auto tone	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U2E	Cluster, instrument, coolant temperature, trip odometer	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U2J	Digital audio system, S-band, not installed	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U2K	Digital audio system, S-band	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U3L	Radio, AM/FM stereo, seek/scan, CD, auto tone, clock, ETR, MP3	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U68	Display, driver information center	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U77	Antenna, rear window, radio	2005–2009	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
U88	Speaker system, 9, custom	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UA6	Theft deterrent system	2005–2009	The 2005 and 2006 lists print a trailing dash with no further text; the 2009 list adds that it is not to be used after the 2009 global/new major programs. TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UD7	Sensor indicator, rear parking assist	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UE0	Communication system, vehicle, GPS, not installed	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UE1	Communication system, vehicle, GPS 1	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UG1	Opener, garage door, universal	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UH8	Cluster, instrument, coolant temperature, trip odometer, tachometer	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UJ2	Indicator, engine oil life	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UK3	Control, steering wheel, accessory	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UL2	Frequencies, European	2005, 2007–2009	The 2006 list does not print it. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UN0	Radio, AM/FM stereo, seek/scan, CD, auto tone, clock, ETR	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UPF	Wireless interface, short range, voice recognition	2009	GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
UW6	Speaker system, 6, custom	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VK3	License plate, front, front mounting package	2008–2009	License plate package. TriShield agrees on the meaning. GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VY7	Knob, transmission control lever, leather	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
ZBE	Tire, spare, compact, T125/70R17 98M	2008–2009	The 2008 list prints this item under the placeholder code TBD, naming (ZBE) in its wording (T125/70R17, 17 x 4, super spare tire); the 2009 list prints ZBE. GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
ZDC	Tire, spare, compact, T125/70R16	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
ZFH	Tire, spare, compact, T125/70D16	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
Internal / Process
B3V internal	Test, extended water	2007–2009	water test. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
B9V internal	Handling charge, Oshawa assembly to Kerr Industries in Oshawa back to Oshawa assembly	2007–2009	handling charge. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
BAG internal	Parts package, export	2005, 2007–2009	The 2006 list does not print it. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
CU6 internal	Country, Taiwan	2005	GM factory document — 2005 buick lacrosse rpo code list, p.1.	Factory-verified
CV4 internal	Country, Israel	2007, 2009	The 2009 list adds that parts are not to be released to this option. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
CW7 internal	Country, Puerto Rico/US Virgin Islands	2005–2007, 2009	The 2009 list adds that parts are not to be released to this option. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
DL5 internal	Decal, roadside service information	2006–2007	label. GM factory document — 2006 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1.	Factory-verified
DNR internal	Equipment, dealer installed	2006–2008	marks equipment added by the dealer. GM factory document — 2006 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1.	Factory-verified
EXP internal	Export	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
FE9 internal	Certification, emission, federal	2005–2009	TriShield agrees on the meaning. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NB8 internal	Emission override, California system	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NC7 internal	Emission override, federal system	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NE1 internal	Certification, emission, geographically restricted registration for vehicles up to 14,000 lbs GVW (use 2003 model year)	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NF4 internal	Emission system, clean fuel fleet	2005–2006	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
NT7 internal	Emission system, federal, Tier 2	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NT9 internal	Emission system, federal, Tier 2 phase-out	2005–2006	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
NU1 internal	Emission system, California LEV2	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
NU3 internal	Emission system, California, SULEV	2005–2006	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
NU4 internal	Emission system, California LEV2 plus	2005–2006	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
NU6 internal	Emission system, California PZEV	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
OST internal	Plant code, Oshawa 2, Ontario, Canada	2005–2009	plant code; the 2005 and 2006 lists abbreviate Ontario as ONT. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
V73 internal	Vehicle statement, delete	2005–2006	The 2005 and 2006 lists print "Vehicle Statement - - Delete", the wording GM gives V78; the 2007 to 2009 lists print USA/Canada. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
V73 internal	Vehicle statement, USA/Canada	2007–2009	The 2005 and 2006 lists print a different reading (see the row above). TriShield agrees on the meaning. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
V78 internal	Vehicle statement, delete	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VA5 internal	Language label, English	2007–2009	GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VC4 internal	Label, price/fuel economy, Puerto Rico and Virgin Islands	2005, 2007–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VC5 internal	Label, shipping, except US, US possessions, or Japan	2005, 2007–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VCL internal	Certification, emission, clean fuel vehicle, fleet	2005–2006	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
VG5 internal	Protector, gas tank compound, corrosion protective, water based, gray	2005–2006	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2006 buick lacrosse rpo code list, p.1.	Factory-verified
VG8 internal	Vehicle label, notice to buyer	2005	GM factory document — 2005 buick lacrosse rpo code list, p.1.	Factory-verified
VH9 internal	Envelope, owner information manual	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VL7 internal	Label information, bumper impact, 5 mph, front and rear, New York	2005, 2007–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VR6 internal	Hook, tie-down, shipping	2005–2009	tie-down hooks for shipping. GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
VT7 internal	Owners manual, English language	2008–2009	GM factory document — 2008 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
YF5 internal	Certification, emission, California	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified
Z49 internal	Export, Canadian modified mandatory base equipment	2005–2009	GM factory document — 2005 buick lacrosse rpo code list, p.1. GM factory document — 2007 buick lacrosse rpo code list, p.1. GM factory document — 2009 buick lacrosse rpo code list, p.1.	Factory-verified

Source document: buick/lacrosse-w-body.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.