- 2025 Factory-verified
O on all trims
S08 Factory-verified
Also described as LPO, highway safety kit, with GMC logoLPO, Highway safety kit
Also documented for BuickCadillacChevrolet
Documented applications
- 2023–2024, 2026 Factory-verified
- 2015–2018, 2022–2026 Factory-verified
GM's list calls it an accessory
- 2019–2020, 2022–2025 Factory-verified
- 2025 Factory-verified
O on all trims; 2025 only
- 2022–2023, 2025–2026 Factory-verified
2025: O on all trims
- 2022–2023, 2025–2026 Factory-verified
2025: O on all trims
This page aggregates every documented appearance of S08 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.