Low emissions package, enhanced AT-PZEV

includes W1V and VTF;

includes SHX, SD3; 2026–2027: A/D in all trims (not available with PCI)

2018: AWD Premier: S; Driver Confidence II and Driver Convenience II Package content

2014: 2SA, 1LT, 2LT: O (requires PCU); 2015: 1LT, 2LT: O (requires PCU); 2016: 2LT: O (requires PCU); the 2016 guide names it the Leather Package; includes KA1, AG2 and AP9

1LT, 2LT: O; includes B57, B94, GPV and Q94 (1LT also UGE, RMI, N5F and VY7); requires a Jet Black interior; not available with GB8 paint, R88, RIK, SFZ or WBL

only in: 2500 HD, 3500 HD, 3500 HD chassis cab

The 2006 order guide prints it as "NEW! Smart Select Package", which includes the PDC cargo package, the AS3 third row seat, the G80 locking differential and Z82 trailering equipment

2019: High Country: O; includes VYW and VI4; 2019: not with PDH or PDF; 2018 from GM's 2019 change list (GM Authority's 2019 changes page), which says it was offered on LS, LT and Premier in 2018 and only on High Country for 2019; GM Authority's 2020 changes page lists its deletion for 2020

the 2007 kit prints the code without its name

2015: included with and only with California, Maryland, Massachusetts, New Jersey or New York orders with YF5 or NE1 emissions; 2014: extended to Maryland, Massachusetts and New Jersey (GM Authority 2014 RPO changes, which it calls GM's official change list); NICB prints Low Emissions Package series

new for 2013 (GM Authority 2013 RPO changes, which do not say they come from GM); no GM document read for 2013

LT, Premier: O; requires YF5 or NE1 emissions; NICB prints Low Emissions series