See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To ch ...

Windshield Replacement
If the vehicle is equipped with the Head-Up display (HUD) system and the windshield needs to be replaced, get one that is designed for HUD or the HUD image may look out of focus. ...

New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: ○ Do not drive at any one constant speed, fast or slow, for ...