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 decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar support.
See also:
Online Owner Center
Manage your vehicle (U.S.) at gmc.com. Click on “Owners,” then “Manage My GMC/Owners Login.”
Information and services customized for your specific vehicle — all in one convenient place.
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Radio(s)
VOL/ : Press to turn the system
on and off. Turn to increase or decrease the volume.
SOURCE: Press to choose between FM, AM, XM™, if equipped, CD, or AUX.
MENU/SEL: Turn to select radio station ...
Parking Brake
Set the parking brake by holding the regular brake pedal down, then pushing down the parking brake pedal.
If the ignition is on, the brake system warning light will come on.
See Brake System Warni ...