OnStar Services

See also:

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-in ...

If Steam Is Coming from the Engine Compartment
See Overheated Engine Protection Operating Mode for information on driving to a safe place in an emergency. ...

Compass Variance
Compass variance is the difference between earth’s magnetic north and true geographic north. The mirror is set to zone eight upon leaving the factory. It will be necessary to adjust the compass ...