Exterior Lighting

The exterior lamps control is located on the instrument panel to the left of the steering wheel.
: Turns off the automatic headlamps and Daytime Running Lamps (DRL). Turn the headlamp control to the off position again to turn the automatic headlamps or DRL back on.
For vehicles first sold in Canada, the off position will only work when the vehicle is shifted into P (Park).
AUTO: Automatically turns on the headlamps, parking lamps, taillamps, instrument panel lights, and license plate lamps.
: Turns on the parking lamps, taillamps, instrument panel lights, and license plate lamps.
: Turns on the headlamps, parking lamps, taillamps, instrument panel lights, and license plate lamps.
For more information, see:
• Exterior Lamp Controls on page 6‑1.
• Daytime Running Lamps (DRL) on page 6‑3.
• Fog Lamps on page 6‑6.
See also:
When to Check Lubricant
It is not necessary to regularly check rear axle fluid unless a leak is suspected or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired.
All axle assembl ...
Object Detection System Messages
FORWARD COLLISION ALERT OFF
If your vehicle has the Forward Collision Alert (FCA) system, this message may
display if the FCA system cannot activate due to a temporary condition. See Forward
Coll ...
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 ...





