See also:

Sun Visors
Pull the sun visor down or unhook it and move it to the side to reduce glare. Visor Vanity Mirror Lift the cover to use the mirror and turn the lamps on. ...

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 ...

Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control system to ...