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:
Highway Hypnosis
Always be alert and pay attention to your surroundings while driving. If you
become tired or sleepy, find a safe place to park the vehicle and rest.
Other driving tips include:
○ Keep the ve ...
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Pairing Information
• A Bluetooth phone with MP3 capability cannot be paired to the vehicle as a phone and an MP3 player at the same time.
• Up to five cell phones can be paired to the Bluetooth system.
• The pai ...