2015 Ram Cargo Van Owner's Manual

16. Blower Control
There are seven blower speeds, the blower speed in-
creases as you move the control to the right from the
lowest blower setting. Performing this function will
cause the ATC to switch into manual mode.
17. Mode Control Button
Push and release to select between Modes (Panel, Bi-
Level, Floor, Mix). Performing this function will cause the
ATC to switch into manual mode.
18. Recirculation Control Button
Push and release to change the current setting, the
indicator illuminates when ON.
19. SYNC Button
Push and release to control the temperature setting for all
three zones from the driver temperature control.20. Driver Temperature Control Up/Down Button
Provides the driver with independent temperature con-
trol. Push the top button for warmer temperatures or the
lower button for cooler temperature settings.
Air Conditioning (A/C)
The Air Conditioning (A/C) button allows the operator
to manually activate or deactivate the air conditioning
system. When in A/C mode with the ATC set to a cool
temperature, dehumidified air flows through the air
outlets. If Economy mode is desired, push the A/C
button to turn off the A/C mode in the ATC display and
deactivate the A/C system.4
UNDERSTANDING YOUR INSTRUMENT PANEL 423

NOTE:
•If the system is in Mix or Defrost Mode, the A/C can
be turned off, but the A/C system shall remain active
to prevent fogging of the windows.
• If not operating in AUTO mode, the system will not
automatically sense the presence of fog, mist or ice on
the windshield. DEFROST mode must be manually
selected to clear the windshield and side glass.
• If fog or mist appears on the windshield or side glass,
select Defrost mode and adjust blower speed if
needed.
Recirculation
Recirculation Control Button
Push this button to choose between outside air intake or
recirculation of the air inside the vehicle. An indicator
light will illuminate when you are in Recirculation mode. Only use the Recirculation mode to temporarily block out
any outside odors, smoke, or dust, and to cool the interior
rapidly upon initial start-up in very hot or humid
weather.
NOTE:
•
If the Recirculation button is pressed when the system
is in Defrost mode the Recirculation LED indicator will
flash three times to indicate Recirculation mode is not
allowed.
• Continuous use of the Recirculation mode may make
the inside air stuffy and window fogging may occur.
Extended use of this mode is not recommended.
• In cold or damp weather, the use of the Recirculation
mode will cause windows to fog on the inside because
of moisture buildup inside the vehicle. For maximum
defogging, select the outside air position.
424 UNDERSTANDING YOUR INSTRUMENT PANEL

•To prevent fogging, when the Recirculation button is
pushed and the mode control is set to Panel, the A/C
will engage automatically.
• The A/C can be deselected manually without disturb-
ing the mode control selection.
Automatic Temperature Control (ATC)
Automatic Operation
1. Push the AUTO button on the front ATC Panel and the words Front Auto will illuminate in the front ATC
display, along with two temperatures for the driver
and front passenger. The system will then automati-
cally regulate the amount of airflow.
2. Next, adjust the temperature you would like the system to maintain, by adjusting the driver, passenger,
and rear temperatures. Once the desired temperature
is displayed, the system will achieve and automati-
cally maintain that comfort level. 3. When the system is set up for your comfort level, it is
not necessary to change the settings. You will experi-
ence the greatest efficiency by simply allowing the
system to function automatically.
NOTE:
• It is not necessary to move the temperature settings.
The system automatically adjusts the temperature,
mode and fan speed to provide comfort as quickly as
possible.
• The temperature can be displayed in English or Metric
units by selecting the “Display Units of Measure in”
customer-programmable feature. Refer to the “Elec-
tronic Vehicle Information Center (EVIC) — Customer-
Programmable Features” in this Section.
To provide you with maximum comfort in the automatic
mode, during cold start-ups, the blower fan will remain
4
UNDERSTANDING YOUR INSTRUMENT PANEL 425

on low until the engine warms up. The fan will engage
immediately if the Defrost mode is selected, or by chang-
ing the front blower knob setting.
Manual Operation Override
This system offers a full complement of manual override
features. The AUTO symbol in the front ATC display will
be turned off when the system is being used in the
manual mode.
Controlling The Rear Climate Controls From The
Front ATC Panel
The Three-Zone ATC system allows for adjustment of the
rear climate controls from the front ATC panel.
To change the rear system settings:
•Push REAR button to change control to rear control
mode, Rear display (below) will appear. Control func-
tions now operate rear system. •
To return to Front screen, push REARbutton again,
or it will revert to the Front screen after six seconds.
1. Mode Display
This display shows the current Mode selection.
Front ATC Panel Rear Control Display
426 UNDERSTANDING YOUR INSTRUMENT PANEL

2. Rear Temperature Display
This display shows the temperature setting for the rear
seat occupants.
3. Blower Control Display
This display shows the current Blower speed selection.
4. Rear Auto Indicator
This indicates when the system is in Rear Auto mode.
Rear Mode Control
Headliner ModeAir comes from the outlets in the headliner. Each
of these outlets can be individually adjusted to
direct the flow of air. Moving the air vanes of the outlets
to one side will shut off the airflow. Bi-Level Mode
Air comes from both the headliner outlets and the
floor outlets.
NOTE: In many temperature positions, the Bi-Level
mode is designed to provide cooler air out of the head-
liner outlets and warmer air from the floor outlets.
Floor Mode
Air comes from the floor outlets.Rear Automatic Temperature Control (ATC) —
If Equipped
The rear ATC system has floor air outlets at the rear of the
right side sliding door, and overhead outlets at each
outboard rear seating position. The system provides
heated air through the floor outlets or cool, dehumidified
air through the headliner outlets.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 427

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 frontATC 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

2. Rotate the Rear Blower, Rear Temperature and theRear Mode Control knobs to suit your comfort needs.
3. ATC is selected by adjusting the rear blower knob counterclockwise to AUTO.
Once the desired temperature is displayed, the ATC
System will automatically achieve and maintain that
comfort level. When the system is set up for your comfort
level, it is not necessary to change the settings. You will
experience the greatest efficiency by simply allowing the
system to function automatically.
NOTE:
•
It is not necessary to move the temperature settings. The
system automatically adjusts the temperature, mode and
fan speed to provide comfort as quickly as possible.
• The temperature can be displayed in English or Metric
units by selecting the “Display Units of Measure in”
customer-programmable feature. Refer to the “Elec-
tronic Vehicle Information Center (EVIC) — Customer-
Programmable Features” in this Section.
Rear Blower Control
The rear blower control knob can be manually set to off,
or any fixed blower speed, by rotating the knob from low
to high. This allows the rear seat occupants to control the
volume of air circulated in the rear of the vehicle.
CAUTION!
Interior air enters the Rear Automatic Temperature
Control System through an intake grille, located in
the right side trim panel behind the third row seats.
The heater outlets are located in the right side trim
(Continued)
4
UNDERSTANDING YOUR INSTRUMENT PANEL 429

CAUTION!(Continued)
panel, just behind the sliding door. Do not block or
place objects directly in front of the inlet grille or
heater outlets. The electrical system could overload
causing damage to the blower motor.
Rear Temperature Control
To change the temperature in the rear of the vehicle,
rotate the temperature knob counterclockwise to lower
the temperature, and clockwise to increase the tempera-
ture. The rear temperature settings are displayed in the
front ATC panel.
When rear controls are locked by the front system, the
Rear Temperature Lock symbol on the temperature knob
is illuminated and any rear overhead adjustments are
ignored.
Rear Mode Control
•Headliner Mode
Air comes from the outlets in the headliner. Each
of these outlets can be individually adjusted to
direct the flow of air. Moving the air vanes of the outlets
to one side will shut off the airflow.
• Bi-Level Mode
Air comes from both the headliner outlets and the
floor outlets.
NOTE: In many temperature positions, the Bi-Level
mode is designed to provide cooler air out of the head-
liner outlets and warmer air from the floor outlets.
• Floor Mode
Air comes from the floor outlets.
430 UNDERSTANDING YOUR INSTRUMENT PANEL