Dodge 2009 Caravan - Manual (Page 318)

Pressing the REAR LOCK button for the Rear ATC
System from the front lower ATC panel, illuminates a
LOCK symbol in the rear display. The rear temperature
and air source are controlled from the front lower ATC
panel.
Rear second row occupants can only adjust the rear ATC
control when the REAR LOCK button is turned off.
The Rear ATC System is located in the headliner, near the
center of the vehicle.
1. Press the REAR LOCK button on the front lower ATC
panel. This turns off the REAR LOCK icon in the rear
temperature knob.
Rear ATC Control Features
1 - Blower Speed 3 - Rear HVAC Lock
2 - Rear Temperature 4 - Rear MODE
316 UNDERSTANDING YOUR INSTRUMENT PANEL