See also:

Wheel Alignment and Tire Balance
The tires and wheels were aligned and balanced at the factory to provide the longest tire life and best overall performance. Adjustments to wheel alignment and tire balancing will not be necessary on ...

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 ...

DIC Warnings and Messages
Messages are displayed on the DIC to notify the driver that the status of the vehicle has changed and that some action may be needed to correct the condition. Multiple messages may appear one afte ...