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:
Portable Audio Devices
This vehicle may have an auxiliary input located on the radio faceplate and a USB port located in the instrument panel storage area.
External devices such as iPods™, laptop computers, MP3 players, ...
Key and Lock Messages
REPLACE BATTERY IN REMOTE KEY
This message displays when the battery in the Remote Keyless Entry (RKE) transmitter
needs to be replaced. ...
Clearing the System
Unless information is deleted out of the in-vehicle Bluetooth system, it will be retained indefinitely.
This includes all saved name tags in the phone book and phone pairing information. For informat ...