See also:

License Plate Lamp
To replace one of these bulbs: 1. Open the liftgate partway. See Liftgate on page 2‑9. Passenger Side Shown, Driver Side Similar 2. Push the left end of the lamp assembly toward the right. ...

Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement. For Vehicles with gasoline engines, please read this. ...

Tow/Haul Mode
(Tow/Haul): The vehicle may have a Tow/Haul mode. The button is located on the instrument panel under the climate controls. Push the button to activate the system. Push it again to deactivate the s ...