See also:

Erasing Universal Home Remote Buttons
The programmed buttons should be erased when the vehicle is sold or the lease ends. To erase either Rolling Code or Fixed Code on the Universal Home Remote device: 1. Press and hold the two outs ...

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 ...

Hill Start Assist (HSA)
Some vehicles have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or rearwa ...