Pontiac Vibe 2003 Owner's Manual page 112

The mirror moves so that you can adjust it up and down
or side to side. You can adjust the mirror for day or night
driving. Pull the tab for night driving to reduce glare.
Push the tab for daytime driving.
Power Remote Control Rearview Mirrors
To adjust either mirror, push the button labeled L (left)
or R (right). Then use the arrows on the control pad to
adjust the mirror.
Once you have adjusted both mirrors, move the selector
switch back to the center. This prevents moving the
mirrors accidentally once you have adjusted them.
These controls are
located to the left of
your steering wheel on
the instrument panel.
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