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:
Park Tilt Mirrors
If the vehicle is equipped with memory mirrors, there is an option to have the
mirrors tilt down, when in R (Reverse), to more easily see the ground near the vehicle.
When the vehicle is shifted to ...
Tow/Haul Mode
Tow/Haul assists when pulling a heavy trailer or a large or heavy load. The purpose of the Tow/Haul mode is to:
• Reduce the frequency and improve the predictability of transmission shifts.
• Pr ...
Finding a Channel
BAND: Press to switch between AM, FM, or XM™, if equipped.
(Tune): Turn to manually select an XM channel.
SEEK: Press to go to the previous XM channel.
SEEK: Press to go to the next XM channel ...