See also:

Tow/Haul Mode
Pressing this button at the end of the shift lever turns on and off the Tow/Haul Mode. This indicator light on the instrument panel cluster comes on when the Tow/Haul Mode is on. Tow/Haul is a f ...

Entry Lighting
The vehicle has an illuminated entry feature. When the doors are opened, the dome lamps will come on if the dome override button is in the extended position. If the dome override button is pressed in ...

Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these si ...