- 2026 Factory-verified
all trims: O
Also described as OnStar Security service, 6 monthsOnStar Security, 6 months (fleet)OnStar Security service, additional 6 monthsOnStar Security service, 6 months added, fleetOnStar security service, additional 6 monthsOnStar Connect Plus plan, 60 months (fleet)
Also documented for BuickCadillacGMC
Documented applications
- 2026–2027 Factory-verified
- 2027 Factory-verified
LT, RS: O
- 2026 Factory-verified
O: 400, 600;
- 2016 Factory-verified
- 2026–2027 Factory-verified
2026–2027: O on all trims
- 2016–2017, 2019 Factory-verified
all models: O; 2016, 2019: from GM order-guide copies (Corvette Action Center; 2019 also GM Authority)
- 2026–2027 Factory-verified
- 2018 Factory-verified
fleet orders; 2018: sedan O: 1SA, 1SB, 1SC, 1SD, 1SG, 1SH, 1SF; hatch O on all
- 2026–2027 Factory-verified
2026–2027: A in all trims (requires UE1 or U5G)
- 2017 Factory-verified
O on all trims; requires UE1 and a fleet or government order type
- 2018 Factory-verified
fleet
- 2026–2027 Factory-verified
O on all trims; fleet and government order types
- 2016 Factory-verified
all trims: O; requires UE1; fleet or government order types; GM's 2016 Malibu order guide
- 2026–2027 Factory-verified
2026–2027: A in all groups; requires UE1 and VV4
- 2027 Factory-verified
- 2026–2027 Factory-verified
only in: 2500 HD, 3500 HD, 3500 HD chassis cab
- 2026 Factory-verified
- 2017–2018 Factory-verified
all trims: O; fleet
- 2017–2018 Factory-verified
all trims: O; fleet; requires UE1; 2018 from GM's 2018 order guide
- 2026–2027 Factory-verified
2027: O on all trims
- 2026–2027 Factory-verified
2027: O on all trims
- 2026–2027 Factory-verified
all trims: O; 2026 and 2027 only
- 2018 Factory-verified
2018: every trim but L: O; fleet order types only; requires UE1
- 2026–2027 Factory-verified
O on all trims; fleet or government order types (US)
- 2018 Factory-verified
all trims: O; requires UE1 and a fleet or government order type
- 2026 Factory-verified
all trims: O
This page aggregates every documented appearance of PQI in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.