Ram Trucks 2015 Cargo Van Commercial - Owner Manual - Manual (Page 430)

The rear system temperature control is on the front ATC
panel located on the instrument panel.
Pushing the Rear Temperature Lock button on the front
ATC panel, illuminates a lock symbol in the rear display.
The rear temperature and air source are controlled from
the front ATC panel.
Rear second row occupants can only adjust the rear ATC
control when the Rear Temperature Lock button is turned
off.
The rear ATC system is located in the headliner, near the
center of the vehicle.
1. Push the Rear Temperature Lock button on the front
ATC panel. This turns off the Rear Temperature Lock
icon in the rear temperature knob.
Rear ATC Control Features
1 — Blower Speed 3 — Rear Mode
2 — Rear Temperature 4 — Rear Temperature Lock
428 UNDERSTANDING YOUR INSTRUMENT PANEL