Buick 2007 Rainier - Manual (Page 127)

To adjust for compass variance, do the following:
1. Find your current location and variance
zone number on the following zone map.
2. Press and hold the on/off button for
six seconds. Release the button when
(FOR ZONE) is displayed. The number
shown is the current zone number.
3. Scroll through the zone numbers that appear in
the window on the mirror by pressing the on/off
button. Once you find your zone number,
release the button. After about four seconds,
the mirror will return to the compass display,
and the new zone number will be set.
Outside Power Mirror
The outside power
mirror control is located
on the driver’s door.
1. Turn the knob toward the mirror you desire
to adjust.
2. Move the control in the direction you want the
mirror to go.
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