Dodge 2004 RS Caravan - Manual (Page 220)

Vehicles equipped with Automatic Temperature Control,
the controls for these features are located in the middle of
the instrument panel above the radio. Rear Wiper Operation — Automatic Temperature
Control Only
Press this button to have the rear wiper have a
continuous wipe. When the ignition switch is in the
ON/RUN position, the rear wiper switch position as well
as an indicator light will show that the wiper is ON.
Intermittent Rear Wiper Operation — Automatic
Temperature Control Only
When this button is pressed and the ignition
switch is in the ON position, the rear wiper will
operate at a fixed interval of about 8 seconds. As
vehicle speed increases, the time delay will shorten. The
switch position as well as an indicator light will show
when the wiper is ON.
220 UNDERSTANDING YOUR INSTRUMENT PANEL