Memory Features
On vehicles with the memory feature, the controls on the driver door are used to program and recall memory settings for the driver seat and outside mirrors.
See also:
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 ...
Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody.
Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...
Electronic Transfer Case
The transfer case knob is located next to the steering column.
Use the dial to shift into and out of four-wheel drive. ...