Dodge 2004 Ram SRT-10 - Manual (Page 86)

LIGHTS Interior Lights
Courtesy/ dome lights are turned on when the front
doors are opened, when the dimmer control (rotating
wheel on the right side of the switch) is rotated to the
second upward detent position, or if equipped, when the
UNLOCK button is pressed on the key fob. Rotating the
dimmer control to the optional fully upward position will
86 UNDERSTANDING THE FEATURES OF YOUR VEHICLE