Restraint provisions, child, rear seat, rear facing

Years 2007–09, 2018, 2022–23, 2025–27 Models 7 Factory citations 15

Also described as Child seat restraint system, rear facingRestraint provision, child, rear seat, rear facingLATCH system (Lower Anchors and Tethers for Children), for child restraint seats

Also documented for Cadillac Chevrolet GMC Hummer Pontiac Saturn

Documented applications

Enclave — C1XX (2018–2024)

2018, 2022–2023 Factory-verified

S on all trims

GM factory document — 2018 buick enclave fleet order guide wayback, p.1.
GM factory document — 2022 buick enclave order guide copy nhtsa docket, p.3, p.19.
GM factory document — 2023 buick enclave order guide copy autoevolution wayback, p.3, p.18.

Enclave — Lambda / GMT967 (2008–2017)

2008–2009 Factory-verified

GM factory document — 2008 buick enclave rpo code list, p.1.
GM factory document — 2009 buick enclave rpo code list, p.1.

Enclave — VSS-S (2025–2027)

2025–2027 Factory-verified

S on all trims; the 2025 guide words it "Child seat restraint system, rear facing"; the 2026–2027 guides call it the LATCH system

GM factory document — 2025 buick all new enclave fleet order guide, p.2.
GM factory document — 2026 buick enclave fleet order guide, p.3.
GM factory document — 2027 buick enclave fleet order guide, p.3.

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

2007–2009 Factory-verified

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.

Lucerne — G-body (2006–2011)

2008–2009 Factory-verified

GM factory document — 2008 buick lucerne rpo code list, p.1.
GM factory document — 2009 buick lucerne rpo code list, p.1.

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

2007 Factory-verified

GM factory document — 2007 buick rendezvous fwd rpo code list, p.1.

Terraza — U-body / GMT201 (2005–2007)

2007 Factory-verified

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

This page aggregates every documented appearance of AT8 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.