Dodge 2007 Ram 2500 - Manual (Page 82)

MIRRORS
Inside Mirror
The mirror should be adjusted to center on the view
through the rear window.
Annoying headlight glare can be reduced by moving the
small control under the mirror to the night position
(toward rear of vehicle). The mirror should be adjusted
while set in the day position (toward windshield).
Adjusting Rear View Mirror
82 UNDERSTANDING THE FEATURES OF YOUR VEHICLE