Dodge 2013 Grand Caravan - Manual (Page 252)

The courtesy lights also function as reading lights. Press
in on each lens to turn these lights on while inside the
vehicle. Press the lens a second time to turn each light off.
You may adjust the direction of these lights by pressing
the outside ring, which is identified with four directional
arrows. Rear Overhead Consoles — If Equipped
The rear overhead storage system is available in two
versions: with or without sunroof.
An additional LED at the front of the rear console shines
down on the front foot-well area while in courtesy mode,
for added convenience.
Reading Lights
250 UNDERSTANDING THE FEATURES OF YOUR VEHICLE