See also:

CD/DVD Messages
If Disc Read Error appears on the display and/or the CD/DVD comes out, it could be for one of the following reasons: If a CD was inserted with an invalid or unknown format. If a DVD is not fro ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and opt ...

Driving On Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get h ...