See also:

Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

Delayed Entry Lighting
Delayed entry lighting illuminates the interior for a period of time after all the doors have been closed. The ignition must be off for delayed entry lighting to work. Immediately after all the doors ...

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 ...