See also:

Trailer Towing
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. If the vehicle is a hybrid, see the hybrid supplement for more information. Do not tow a trailer during br ...

Safety Locks
The rear door safety locks switch is on the instrument panel. Rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Press to activate the safety locks. ...

Lumbar Adjustment
Manual Lumbar If available, move the handle forward or rearward to increase or decrease lumbar support. Power Lumbar If available, press and hold the front or rear of control to increase or dec ...