OnStar Additional Information
See also:
XM Messages
XL (Explicit Language Channels): These channels, or any others, can be blocked
by request, by calling 1-800-929-2100 in the U.S. and 1-877-438-9677 in Canada.
XM Updating: The encryption code in th ...
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 ...
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a chime sounds when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode.
See Engine Overhea ...





