OnStar Services

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Shifting out of Park
This vehicle is equipped with an electronic shift lock release system. The shift lock release is designed to: Prevent ignition key removal unless the shift lever is in P (Park) with the shift ...

Older Children
Older children who have outgrown booster seats should wear the vehicle safety belts. The manufacturer's instructions that come with the booster seat state the weight and height limitations fo ...

Hill Start Assist (HSA)
Non-hybrid vehicles with StabiliTrak have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rollin ...