Buick 1994 Skylark Owner's Manual page 109

Outside Mirrors
To adjust the left outside
mirror, rotate the knob
located on the driver's door.
The right outside mirror must be adjusted manually.
Adjust each mirror so you can just see the side of your
car and the area behind your car.
If you have the optional
power mirror, the control is
located on the driver's door.
./-
Rotate the control to the left or right to choose the
mirror you want to adjust. Then move the control in the
direction you want to move the mirror. Adjust each
mirror so you can just see the side of your car and the
area behind your car.