Dodge 2009 Ram 1500 - Manual (Page 174)

Courtesy/Reading Lights
Both lights in the overhead console and rear passenger
compartment will illuminate as courtesy lights when a
door is opened, when the dimmer control is rotated to the
courtesy light position (full right position), or when the
UNLOCK button is pressed on the Remote Keyless Entry
(RKE) transmitter, if equipped. These lights are also
operated individually as reading lights by pressing on
the corresponding lens.
Front Courtesy/Reading Lights
172 UNDERSTANDING THE FEATURES OF YOUR VEHICLE