See also:

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 ...

Rear Window Wiper/Washer
For vehicles with a rear window wiper/washer, the controls are on the end of the windshield wiper lever. Press the upper or lower portion of the button to control the rear wiper and rear ...

Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off. ...