GMC 2008 Canyon - Manual (Page 125)

2. Press and hold the compass/temperature button
for six seconds until a zone number appears in
the display.
3. Press the compass/temperature button on the
bottom of the mirror until the new zone number
appears in the display. After you stop pressing the
button, the display will show a compass direction
within a few seconds.
Cleaning the Mirror
Use a paper towel or similar material dampened with
glass cleaner. Do not spray glass cleaner directly on the
mirror as that may cause the liquid cleaner to enter the
mirror housing.
Outside Manual Mirrors
Adjust the outside rearview mirrors so you can see a
little of the side of your vehicle, and the area beside your
vehicle from a comfortable driving position. The mirrors
can be folded in to enter narrow areas. Return the mirrors
to the unfolded position before driving.
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