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. ...

Trunk Release
To open the trunk, press . ...

Removing the Flat Tire and Installing the Spare Tire
Take off the wheel cover or center cap, if the vehicle has one, to reach the wheel bolts. 1. Do a safety check before proceeding. See If a Tire Goes Flat  for more information. 2. Turn the wh ...