OnStar Services

See also:

Collision Damage Repair
If the vehicle is involved in a collision and it is damaged, have the damage repaired by a qualified technician using the proper equipment and quality replacement parts. Poorly performed collision ...

Error Messages
If Disc Read Error displays and/or the disc comes out, it could be for one of the following reasons: The disc has an invalid or unknown format. The disc is not from a correct region. The dis ...

Automatic Headlamp System
When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically. There is a light sensor located on top of the instrument panel. Do not cover the ...