1996 GMC Yukon Owner's Manual - Page 105

Outside Mirrors Adjust your outside mirrors so you can just see the side of your vehicle, and have a clearview of objects behind you. Some mirrors can be folded in to enter narrow doorways. Electric Outside Rearview Mirrors If you have electric mirrors, they can be adjusted to point where you want from inside the vehicle. Select the mirror you want to move by moving the center of the switch, located on the driver's door armrest, to R (right) or L (left). 3. Press the CAL switch on the bottom of the mirror until the new zone number appears in the display. After you stop pressing the button in, the display will show a compass direction within a few seconds. Then, adjust the mirror angle by pressing the outer arrows on the switch until the mirror is adjusted where you want it. 2-41