See also:

Owner Checks and Services
At Each Fuel Stop • Check the engine oil level. See Engine Oil. Once a Month • Check the tire inflation pressures. See Tire Pressure. • Inspect the tires for wear. See Tire Inspection. ...

Compact Spare Tire
WARNING Driving with more than one compact spare tire at a time could result in loss of braking and handling. This could lead to a crash and you or others could be injured. Use only one compact ...

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 chan ...