OnStar Services

See also:

Map Adjustments
The system lets you adjust the scale of view on the map. Also, as you drive, the map scrolls automatically based on the direction of travel. ...

License Plate Lamp
To replace one of these bulbs: 1. Open the liftgate. See Liftgate for more information. Passenger Side Shown, Driver Side Similar 2. Push the left end of the lamp assembly towards the ri ...

Tire and Loading Information Label
Label Examp A vehicle-specific Tire and Loading Information label is attached to the vehicle's center pillar (B-pillar). With the driver door open, the label is attached near the door lock po ...