Ford Mustang Owner's Manual page 84

Adjusting the Side View Mirrors
The switch for controlling the dual electric
remote control mirrors is located on the driver's
door.
Do not clean the housing or glass of any mirror
with harsh abrasives, fuel or other
petroleum-based cleaning products.
The mirror controls on the driver's door
To adjust the side mirrors:
1. Find the control switch in the driver's door
panel.
2. Select the right or left mirror by moving the
selector switch to R or L.
3. Move the knob in the direction of the arrows
for the direction you want to move the
mirror.
4. Return the selector switch to the middle
position to keep the mirror in place.
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