See also:

Error Messages
If Disc Error displays and/or the disc comes out, it could be for one of the following reasons: ○ The disc has an invalid or unknown format. ○ The disc is very hot. Try the disc again ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment ma ...

Engine Coolant Heater
The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coolant ...