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 ...
Four-Wheel Drive
Transfer Case
When to Check Lubricant
Refer to Maintenance Schedule on page 11‑3 to determine when to check the lubricant.
How to Check Lubricant
Electric Shift Transfer Case
A. Fill Plug ...
Compass Zone
The zone is set to zone eight upon leaving the factory. Your dealer will set the correct zone for your location.
Under certain circumstances, such as during a long distance cross-country trip or movi ...