See also:

Roof
Sunroof The ignition must be in ON/RUN or ACC/ACCESSORY to operate the sunroof and power sunshade. See Retained Accessory Power (RAP) on page 9‑20. The vehicle may have a sunroof over the fro ...

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if ...

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