Horn

Press Windshield Wiper/Washer on the steering wheel pad to sound the horn.

    See also:

    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 ...

    Roadside Assistance Program
    As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program. See Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside Assistance Program (M ...

    Rear Seats
    A. Seat Adjustment Handle B. Reclining Seatback Strap C. Sliding Seat Lever ...