See also:

When to Check
Check your tires once a month or more. Also, check the tire pressure of the spare tire. ...

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 ...

Windows
Press the switch to lower the window. Pull the switch up to raise it. For more information, see Power Windows. ...