GMC YUKON DENALI 2000 Manual page 126

2. Find your current location and variance zone number
on the following zone map.
3. Press the COMP switch on the bottom of the mirror
until the new zone number appears in the display.
After you stop pressing the switch in, the display
will show a compass direction within a few seconds.
2-56
Electric Outside Rearview Mirrors
The electric mirrors can be adjusted from inside
the vehicle.
Then, adjust the mirror angle by pressing the outer
arrows on the switch until the mirror is adjusted where
you want it. The center position turns the electric
mirrors off.
Select the mirror you want
to move by moving the
center of the switch, located
on the driver's door armrest,
to L (left) or R (right).