Buick 1999 LeSabre Owner's Manual page 105

3. Press the COMPASS 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. (This is the automatic calibration mode.
Drive in a circle to calibrate the mirror. See
"Compass Calibration" explained previously.)
Manual Remote Control Mirror
The outside rearview mirror should be adjusted so you
can just see the side of your vehicle when you are sitting
in a comfortable driving position.
To adjust your passenger's side mirror, sit in the driver's
seat and have a passenger adjust the mirror for you.
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To adjust the driver's side
outside mirror, rotate
the knob located on the
driver's door. The right
outside mirror must be
adjusted manually.
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