Lamp Messages
AUTOMATIC LIGHT CONTROL OFF
This message displays when the automatic headlamps are turned off.
This message clears itself after 10 seconds.
AUTOMATIC LIGHT CONTROL ON
This message displays when the automatic headlamps are turned on.
This message clears itself after 10 seconds.
TURN SIGNAL ON
This message displays and a chime sounds if a turn signal is left on for 1.2 km (0.75 mi). Move the turn signal/multifunction lever to the off position.
See also:
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...
How to Add Coolant to the Radiator
WARNING
An electric engine cooling fan under the hood can start up even when the engine is not running and can cause injury. Keep hands, clothing, and tools away from any underhood electric fan.
WAR ...
Passenger Compartment Air Filter
The filter removes dust, pollen, and other airborne irritants from outside air
that is pulled into the vehicle.
The filter should be replaced as part of routine scheduled maintenance. See Maintenan ...