See also:

Engine Overheating
If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information. The vehicle has several indicators to warn of engine overheating. There is a coolant temperatu ...

Passenger Sensing System
United States Canada The passenger sensing system will turn off the right front passenger frontal airbag under certain conditions. The driver airbag, seat&-mounted side impact airbags, a ...

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, ...