GMC Sierra Owners Manuals
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Manual Operation
(Fan Control): Press these buttons to increase or decrease the fan speed.
Pressing either fan button while in automatic control places the fan under manual control. The fan setting remains displayed ...
Care of the HUD
Clean the inside of the windshield as needed to remove any dirt or film that could reduce the sharpness or clarity of the HUD image.
To clean the HUD lens, use a soft, clean cloth that has household ...
Reporting Safety Defects
Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the Nati ...





