OnStar Services

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 . Che ...

Vehicle Load Limits
It is very important to know how much weight the vehicle can carry. This weight is called the vehicle capacity weight and includes the weight of all occupants, cargo and all nonfactory-installed optio ...

ENGINE OIL LOW — ADD OIL
This message displays when the engine oil level is too low. Check the oil level. See Engine Oil. ...