2018 Ram 3500 Chassis Cab ECO mode

OFF position. The headlight time delay can be pro-
grammed 0/30/60/90 seconds. Refer to “Uconnect Set-
tings” in “Multimedia” for further information.
To turn the automatic system off, move the headlight
switch out of the AUTO position.
NOTE:The engine must be running before the headlights
will turn on in the Automatic Mode.Parking Lights And Panel Lights
To turn on the parking lights and instrument panel
lights, rotate the headlight switch clockwise. To turn
off the parking lights, rotate the headlight switch back to
the O (off) position.
Headlights On With Wipers (Available With
Automatic Headlights Only)
When this feature is active, the headlights will turn on
approximately 10 seconds after the wipers are turned on if
the headlight switch is placed in the AUTO position. In
addition, the headlights will turn off when the wipers are
turned off, if they were turned on by this feature.
NOTE: This feature can be programmed through the
Uconnect system. Refer to “Uconnect Settings” in “Multi-
media” for further information.
Automatic Headlight Position
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GETTING TO KNOW YOUR VEHICLE 71

“Party Mode”
When a door is open and the interior lights are on, rotating
the dimmer control all the way left, to the off detent, will
cause all the interior lights to go out. This is also known as
theParty mode because it allows the doors to stay open
for extended periods of time without discharging the
vehicle’s battery.
“Parade Mode”
When the headlights are on you can supplement the
brightness of the odometer, trip odometer, radio and
overhead console by rotating the control to the right until you hear a click. This feature is termed the “Parade” mode
and is useful when headlights are required during the day.
NOTE:
If your vehicle is equipped with a touchscreen, the
dimming of the touchscreen is programmable through the
Uconnect system. Refer to “Uconnect Settings” in “Multi-
media” for further details.
Illuminated Approach
The courtesy lights will turn on when you use the key fob
to unlock the doors or open any door.
This feature also turns on the approach lighting in the
outside mirrors (if equipped). Refer to “Mirrors” in “Get-
ting To Know Your Vehicle” for further information.
The lights will fade to off after approximately 30 seconds,
or they will immediately fade to off once the ignition
switch is turned to ON/RUN from the OFF position.
The front courtesy overhead console and door courtesy
lights will not turn off if the dimmer control is in the
“Dome ON” position (rotate vertical thumb wheel all the
way to the top detent).
The illuminated entry system will not operate if the
dimmer control is in the “Dome OFF” position (rotate
vertical thumb wheel all the way to the bottom detent).
Dimmer Control
76 GETTING TO KNOW YOUR VEHICLE

IconDescription
Recirculation Button
Push and release this button to change the system between recirculation mode and outside air
mode. Recirculation can be used when outside conditions such as smoke, odors, dust, or high
humidity are present.
NOTE:
•Continuous use of the Recirculation mode may make the inside air stuffy and window fog-
ging may occur. Extended use of this mode is not recommended.
•The use of the Recirculation mode in cold or damp weather could cause windows to fog on
the inside, because of moisture buildup inside the vehicle. Select the outside air position for
maximum defogging.
•Recirculation can be used in all modes except for Defrost.
•The A/C can be deselected manually without disturbing the mode control selection.
Front Defrost Setting
Turn the Mode Control knob to the Defrost mode. Air comes from the windshield and side win-
dow demist outlets. Use Defrost mode with maximum temperature settings for best windshield
and side window defrosting and defogging.
Rear Defrost Button
Push and release the Rear Defrost Control button to turn on the rear window defroster and the
heated outside mirrors (if equipped). An indicator will illuminate when the rear window de-
froster is on. The rear window defroster automatically turns off after ten minutes.
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GETTING TO KNOW YOUR VEHICLE 81

IconDescription
Floor Mode
Floor Mode
Air comes from the floor outlets. A slight amount of air is directed through the defrost and side
window demister outlets.
Mix Mode
Mix Mode
Air is directed through the floor, defrost, and side window demister outlets. This setting works
best in cold or snowy conditions that require extra heat to the windshield. This setting is good
for maintaining comfort while reducing moisture on the windshield.
Economy Mode
If ECONOMY mode is desired, push the A/C button to
turn off the LED indicator and the A/C compressor. Rotate
the temperature control knob to the desired temperature.
Also, make sure to select only Panel, Bi-Level or Floor
modes.
CAUTION!
Failure to follow these cautions can cause damage to
the heating elements:
• Use care when washing the inside of the rear win-
dow. Do not use abrasive window cleaners on the
interior surface of the window. Use a soft cloth and a
mild washing solution, wiping parallel to the heat-
ing elements. Labels can be peeled off after soaking
with warm water.
• Do not use scrapers, sharp instruments, or abrasive
window cleaners on the interior surface of the win-
dow.
• Keep all objects a safe distance from the window.
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GETTING TO KNOW YOUR VEHICLE 83

Control Descriptions
NOTE:Icons and descriptions can vary based upon vehicle
equipment.
Icon Description
MAX A/C Button
Press and release to change the current setting, the indicator illuminates when MAX A/C is on.
Performing this function again will cause the MAX A/C operation to switch into manual mode
and the MAX A/C indicator will turn off.
A/C Button
Press and release the button on the touchscreen, or push and release the button on the faceplate,
to change the current setting, the indicator illuminates when A/C is on.
Recirculation Button
Press and release this button to change the system between recirculation mode and outside air
mode. Recirculation can be used when outside conditions such as smoke, odors, dust, or high
humidity are present.
NOTE:
•Continuous use of the Recirculation mode may make the inside air stuffy and window fog-
ging may occur. Extended use of this mode is not recommended.
•The use of the Recirculation mode in cold or damp weather could cause windows to fog on
the inside, because of moisture buildup inside the vehicle. Select the outside air position for
maximum defogging.
•Recirculation can be used in all modes except for Defrost.
•The A/C can be deselected manually without disturbing the mode control selection.
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GETTING TO KNOW YOUR VEHICLE 87

IconDescription
Mix Mode
Mix Mode
Air is directed through the floor, defrost, and side window demister outlets. This setting works
best in cold or snowy conditions that require extra heat to the windshield. This setting is good
for maintaining comfort while reducing moisture on the windshield.
Climate Control OFF Button
Press and release this button on the touchscreen, or push the faceplate button, to turn the Cli-
mate Control System off.
CAUTION!
Failure to follow these cautions can cause damage to
the heating elements:
• Use care when washing the inside of the rear win-
dow. Do not use abrasive window cleaners on the
interior surface of the window. Use a soft cloth and a
mild washing solution, wiping parallel to the heat-
ing elements. Labels can be peeled off after soaking
with warm water.
• Do not use scrapers, sharp instruments, or abrasive
window cleaners on the interior surface of the win-
dow.
• Keep all objects a safe distance from the window.
Climate Control Functions
A/C (Air Conditioning)
The Air Conditioning (A/C) button allows the operator to
manually activate or deactivate the air conditioning sys-
tem. When the air conditioning system is turned on, cool
dehumidified air will flow through the outlets into the
cabin. For improved fuel economy, press the A/C button to
turn off the air conditioning and manually adjust the
blower and airflow mode settings. Also, make sure to select
only Panel, Bi-Level, or Floor modes.
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GETTING TO KNOW YOUR VEHICLE 91

NOTE:
•If fog or mist appears on the windshield or side glass,
select Defrost mode, and increase blower speed if
needed.
• If your air conditioning performance seems lower than
expected, check the front of the A/C condenser (located
in front of the radiator), for an accumulation of dirt or
insects. Clean with a gentle water spray from the front of
the radiator and through the condenser.
MAX A/C
MAX A/C sets the control for maximum cooling perfor-
mance.
Press and release to toggle between MAX A/C and the
prior settings. The button illuminates when MAX A/C is
on.
In MAX A/C, the blower level and mode position can be
adjusted to desired user settings. Pressing other settings
will cause the MAX A/C operation to switch to the selected
setting and MAX A/C to exit.
Recirculation
When outside air contains smoke, odors, or high humidity,
or if rapid cooling is desired, you may wish to recirculate interior air by pressing the Recirculation control button.
The Recirculation indicator will illuminate when this but-
ton is selected. Press the button a second time to turn off
the Recirculation mode and allow outside air into the
vehicle.
NOTE:
In cold weather, use of Recirculation mode may
lead to excessive window fogging. The Recirculation fea-
ture may be unavailable (button on the touchscreen greyed
out) if conditions exist that could create fogging on the
inside of the windshield.
Automatic Temperature Control (ATC) — If
Equipped
Automatic Operation
1. Push the AUTO button on the faceplate, or the AUTO button on the touchscreen on the Automatic Tempera-
ture Control (ATC) Panel.
2. Next, adjust the temperature you would like the system to maintain by adjusting the driver and passenger
temperature control buttons. Once the desired tempera-
ture is displayed, the system will achieve and automati-
cally maintain that comfort level.
92 GETTING TO KNOW YOUR VEHICLE

3. When the system is set up for your comfort level, it isnot 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 for
cold or hot vehicles. The system automatically adjusts
the temperature, mode, and blower speed to provide
comfort as quickly as possible.
• The temperature can be displayed in U.S. or Metric units
by selecting the US/Metric customer-programmable fea-
ture. Refer to the “Uconnect Settings” in “Multimedia”
for further information.
To provide you with maximum comfort in the Automatic
mode during cold start-ups, the blower fan will remain on
low until the engine warms up. The blower will increase in
speed and transition into Auto mode.
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.
Operating Tips
NOTE: Refer to the chart at the end of this section for
suggested control settings for various weather conditions.
Summer Operation
The engine cooling system must be protected with a
high-quality antifreeze coolant to provide proper corrosion
protection and to protect against engine overheating. OAT
coolant (conforming to MS.90032) is recommended.
Winter Operation
To ensure the best possible heater and defroster perfor-
mance, make sure the engine cooling system is functioning
properly and the proper amount, type, and concentration
of coolant is used. Use of the Air Recirculation mode
during Winter months is not recommended, because it may
cause window fogging.
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GETTING TO KNOW YOUR VEHICLE 93