See also:

How to Check Automatic Transmission Fluid
It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to your dealer and have it repaired as so ...

Obstacle Detection Features
A warning chime will sound and the liftgate will automatically reverse direction to the full closed or open position if an obstacle is encountered during a power open or close cycle. After removing th ...

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