Engine Coolant Heater
The engine heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with an engine heater should be plugged in at least four hours before starting.
An internal thermostat in the plug-end of the cord may exist which will prevent engine coolant heater operation at temperatures above −18°C (0°F).
If the vehicle has a diesel engine, see the Duramax Diesel supplement for more information.
See also:
Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio.
This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on.
T ...
Services Not Included in Roadside Assistance
• Impound towing caused by violation of any laws.
• Legal fines.
• Mounting, dismounting, or changing of snow tires, chains, or other traction devices.
• Towing or services for vehicles dri ...
Express Down Windows
Windows that have the express&-down feature allow the windows to be lowered without
holding the switch. Press the window switch fully and release it to activate the
express&-down feature. ...