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:
Battery
The battery supplies power to start the engine and operate any additional electrical accessories.
• To avoid break-down or failure to start the vehicle, maintain a battery with full cranking power. ...
Using the Radio
(Power/Volume): Press to turn the system on and off.
Turn clockwise or counterclockwise to increase or decrease the volume.
(Information) (AM-FM Radio and AM-FM Radio with CD): Press to switch the ...
Cleaning the Video Screen
Use only a clean cloth dampened with clean water. Use care when touching or cleaning
the screen as damage could result. ...