- 2025–2027 Factory-verified
S on all trims
AQP Factory-verified
Also described as Headrest, third row centerHeadrest, rear center
Also documented for BuickCadillacChevrolet
Documented applications
- 2023–2024, 2026 Factory-verified
- 2025–2027 Factory-verified
S on all trims
This page aggregates every documented appearance of AQP in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.