UA6 Factory-verified

Buick · Regular Production Option

Theft deterrent system

Years 1983–87, 1998–09 Models 11 Factory citations 21

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Also described as Theft deterrent system, starter interrupt

Also documented for Cadillac Chevrolet GMC Hummer Oldsmobile Pontiac Saturn

Documented applications

Century — A-body (1982–1996)

1983–1986 Single-source

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

2005–2009 Factory-verified

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.

LeSabre — H-body (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 buick lesabre rpo code list, p.1.
GM factory document — 1999 buick lesabre rpo code list, p.1.

LeSabre — H-body (2000–2005)

2000–2005 Factory-verified

TriShield agrees on the meaning.

GM factory document — 2000 buick lesabre rpo code list, p.1.
GM factory document — 2005 buick lesabre rpo code list, p.1.

Lucerne — G-body (2006–2011)

2006–2009 Factory-verified

The 2009 list adds a "do not use after 2009" remark for global programs. TriShield agrees on the meaning.

GM factory document — 2006 buick lucerne rpo code list, p.1.
GM factory document — 2009 buick lucerne rpo code list, p.1.

Rainier — GMT360 (2004–2007)

2004–2007 Factory-verified

GM factory document — 2004 buick rainier 2wd rpo code list, p.1.
GM factory document — 2007 buick rainier rpo code list, p.1.

Regal — G-body (1983–1987)

1987 Confirmed

requires AU3; gnttype.org's 1987 option sheet

Rendezvous — U-body / GMT257 (2002–2007)

2002–2007 Factory-verified

The 2003 to 2005 lists print "Deterent".

GM factory document — 2002 buick rendezvous awd rpo code list, p.1.
GM factory document — 2003 buick rendezvous awd rpo code list, p.1.
GM factory document — 2006 buick rendezvous awd rpo code list, p.1.
GM factory document — 2007 buick rendezvous fwd rpo code list, p.1.

Riviera — G-body (1995–1999)

1998–1999 Factory-verified

GM factory document — 1998 buick riviera rpo code list, p.1.
GM factory document — 1999 buick riviera rpo code list, p.1.

Skylark — N-body (1992–1998)

1998 Factory-verified

GM prints "Deterent".

GM factory document — 1998 buick skylark rpo code list, p.1.

Terraza — U-body / GMT201 (2005–2007)

2005–2007 Factory-verified

GM factory document — 2005 buick terraza rpo code list, p.1.
GM factory document — 2006 buick terraza rpo code list, p.1.
GM factory document — 2007 buick terraza rpo code list, p.1.

This page aggregates every documented appearance of UA6 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.