See also:

Driver Information Center (DIC)
The DIC display is located in the center of the instrument panel cluster. It shows the status of many vehicle systems. The DIC buttons are located below the climate control system. MENU: Press thi ...

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 ...

Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: • The indicators at three or mor ...