OnStar Services

See also:

Compass Calibration Procedure
1. Before calibrating the compass, check that the compass zone is set to the variance zone in which the vehicle is located. See “Compass Variance (Zone) Procedure” earlier in this section. ...

DVD Display Error Messages
The DVD display error message depends on which radio the vehicle has. The video screen may display one of the following: Disc Load/Eject Error or Mechanical Error: There are disc load or ej ...

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 ...