2005 GMC Sierra 1500 Pickup Owner's Manual - Page 152

Outside Power Mirrors If your vehicle is equipped with power outside mirrors, the controls are located on the driver's door armrest. To extend the mirrors move the selector switch, located above the mirror control, to the middle position. The mirror control will illuminate. Press the left side of the mirror control to slide the mirror heads away from the body of the vehicle. Press the right side of the mirror control to slide the mirror heads toward the body of the vehicle. Outside Power Foldaway Mirrors If your vehicle is equipped with this feature, the controls are located on the driver's door armrest. Move the selector switch located above the control pad to the left or right to choose the mirror you want to adjust, then press the dots located on the four-way control pad to adjust the mirror. Outside Power Camper-Type Mirror If your vehicle is equipped with outside power camper-type mirrors, they can be adjusted so you can have a clear view of objects behind you. Move the upper selector switch to the left or right to choose the mirror you want to adjust; then press the dots located on the four-way control pad to adjust the mirror. 2-62