OnStar Services

See also:

Seat Adjustment
Seat Position WARNING You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you p ...

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 ...

Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all that is needed for good performance and engine protection. Engine oil system ...