Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Transferring Service

Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, ...

See also:

Coat Hook
To use a coat hook, slide it out slightly, then pull it down. Make sure the coat hook is folded up when you are not using it. This hook is not designed for large or heavy items. ...

Unbuckling the seat belt
To remove the seat belt, press the red section on the seat belt receptacle. Before exiting the vehicle, check that the seat belt retracts fully after being unbuckled. If necessary, guide the b ...

Corrosion protection
Refer to “Corrosion protection”. ...