Highway Hypnosis
Always be alert and pay attention to your surroundings while driving. If you become tired or sleepy, find a safe place to park the vehicle and rest.
Other driving tips include:
○ Keep the vehicle well ventilated.
○ Keep the interior temperature cool..
○ Keep your eyes moving — scan the road ahead and to the sides..
○ Check the rearview mirror and vehicle instruments often.
See also:
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...
Rear Window Lockout
The rear window lockout feature prevents the rear passenger windows from operating, except from the driver position.
Press to activate the rear window lockout switch. The LED light comes on when a ...
Power Liftgate Operation
On vehicles with a power liftgate, the vehicle must be in P (Park) to use the
power feature. The taillamps flash when the power liftgate moves.
Notice: If you open the liftgate without checking f ...