tow Ram 3500 2015 Service Manual

Stop/Start – If Equipped
Push and release theUPorDOWN arrow
button until the Stop/Start icon is highlighted
in the DID. Push and release the RIGHTarrow
button to display the Stop/Start status.
Trailer Tow
Push and release the UPorDOWN arrow
button until the Trailer Tow icon is highlighted.
Push and release the RIGHTarrow button and
the next screen will display the following
trailer trip information:
• Trailer Trip
• Trailer Brake
Audio
Push and release the UPorDOWN arrow
button until the Audio display icon is high-
lighted in the DID. Push and release the
RIGHT arrow button to display the active
source.
Stored Messages
Push and release the UParrow button until the
Messages display icon is highlighted in the
DID. This feature shows the number of stored
warning messages. Pushing the RIGHTarrow
button will allow you to see what the stored messages
are.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 343

•Auto Entry/Exit Suspension
When this feature is selected, the vehicle automatically
lowers from ride height position when vehicle shifted to
park for easy entry/exit. To make your selection, press
the “Auto Entry/Exit” button on the touchscreen, select
“On” or “Off” followed by pressing the back arrow/
Done button on the touchscreen.
• Display Suspension Messages
When “All” is selected, all the Air Suspension Alerts will
be displayed. When “Warning Only” is selected only the
Air Suspension Warnings will be displayed.
• Automatic Aero Mode (1500 Model Only)
When this feature is selected the Ride Height will auto-
matically be adjusted depending on the vehicle speed. To
make your selection, press the “Aero Mode” button on
the touchscreen, select “On” or “Off” followed by press-
ing the back arrow/Done button on the touchscreen. •
Tire Jack Mode
When this feature is selected the air suspension system is
disabled to prevent auto leveling of the suspension, while
the vehicle is on a jack changing a tire. To make your
selection, press the “Tire Jack Mode” button on the
touchscreen, select “On” or “Off” followed by pressing
the back arrow/Done button on the touchscreen.
• Transport Mode
When this feature is selected the air suspension system is
disabled to assist with flat bed towing. To make your
selection, press the “Transport Mode” button on the
touchscreen, select “On” or “Off” followed by pressing
the back arrow/Done button on the touchscreen.
• Wheel Alignment Mode
This feature prevents auto leveling of the air suspension
while performing a wheel alignment service. Before
364 UNDERSTANDING YOUR INSTRUMENT PANEL

•Rain Sensing Auto Wipers
When this feature is selected, the system will automati-
cally activate the windshield wipers if it senses moisture
on the windshield. To make your selection, press the
“Rain Sensing” button on the touchscreen to select from
on or off. Press the back arrow button on the touchscreen
to return to the previous menu.
• Hill Start Assist — If Equipped
When this feature is selected, the Hill Start Assist (HSA)
system is active. Refer to “Electronic Brake Control
System” in “Starting And Operating” for system function
and operating information. To make your selection, press
the “Hill Start Assist” button on the touchscreen to select
from on or off. Press the back arrow button on the
touchscreen to return to the previous menu. •
Two Or Four Corner Air Suspension Modes — If
Equipped
There are four air suspension modes designed to protect
the system in unique situations. Tire Jack Mode is se-
lected to assist in changing a spare tire. Transport Mode
is selected to assist when the vehicle is being flat bed
towed. Wheel Alignment Mode is selected before per-
forming a wheel alignment, refer to your authorized
dealer for information. Protection Mode will automati-
cally be selected to “protect” the air suspension system
when the payload has been exceeded or load leveling
cannot be achieved.
Lights
After pressing the “Lights” button on the touchscreen the
following settings will be available.
378 UNDERSTANDING YOUR INSTRUMENT PANEL

system has been activated or the check-mark is removed
showing the system has been deactivated.
•Suspension Display Messages
When “All” is selected, all the Air Suspension Alerts will
be displayed. When “Warning” is selected only the Air
Suspension Warnings will be displayed.
• Automatic Aero Mode (1500 Model Only)
When this feature is selected the Ride Height will auto-
matically be adjusted depending on the vehicle speed.
Press the box next to your selection and a check-mark
appears next to the feature showing the system has been
activated or the check-mark is removed showing the
system has been deactivated.
• Tire Jack Mode
When this feature is selected the air suspension system is
disabled to assist with changing a spare tire. Press the box
next to your selection and a check-mark appears next to the feature showing the system has been activated or the
check-mark is removed showing the system has been
deactivated.
•
Transport Mode
When this feature is selected the air suspension system
lowers and then disables to assist with flat bed towing.
Press the box next to your selection and a check-mark
appears next to the feature showing the system has been
activated or the check-mark is removed showing the
system has been deactivated.
• Wheel Alignment Mode
Before performing a wheel alignment this mode must be
enabled. Refer to your authorized dealer for further
information.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 385

NOTE:
•If the RECIRCULATION button is pushed when the
system is in Defrost mode, the Recirculation LED
indicator will flash three times and then turn off 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.
• The A/C can be deselected manually without disturb-
ing the mode control selection by pushing the A/C
button.Air Outlets
The airflow from each of the instrument panel outlets can be
adjusted for direction, and turned on or off to control airflow.
NOTE: For maximum airflow to the rear, the center
instrument panel outlets can be directed toward the rear
seat passengers.
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 tem-
perature. Also, make sure to select only Panel, Bi-Level or
Floor modes.
Stop/Start System — If Equipped
While in an Autostop, the Climate Controls system may
automatically adjust airflow to maintain cabin comfort.
Customer settings will be maintained upon return to an
engine running condition.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 399

7. Passenger Temperature Control Up Button
(Uconnect® 8.4)
Provides the passenger with independent temperature
control. Push the button on the faceplate for warmer
temperature settings or on the touchscreen, press and
slide the temperature bar towards the red arrow for
warmer temperature settings.
NOTE:Pressing this button while in Sync mode will
automatically exit Sync.
8. Passenger Temperature Control Down Button
(Uconnect® 8.4)
Provides the passenger with independent temperature
control. Push the button on the faceplate for cooler
temperature settings or on the touchscreen, press and
slide the temperature bar towards the blue arrow for
cooler temperature settings. NOTE:
Pressing this button while in Sync mode will
automatically exit Sync.
9. SYNC
Press the Sync button on the touchscreen to toggle the
Sync feature On/Off. The Sync indicator is illuminated
when this feature is enabled. Sync is used to synchronize
the passenger temperature setting with the driver tem-
perature setting. Changing the passenger temperature
setting while in Sync will automatically exit this feature.
10. Blower Control
Blower control is used to regulate the amount of air
forced through the climate system. There are seven
blower speeds available. Adjusting the blower will cause
automatic mode to switch to manual operation. The
speeds can be selected using either Buttons on the
faceplate or buttons on the touchscreen as follows:
408 UNDERSTANDING YOUR INSTRUMENT PANEL

•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
Air comes from the floor, defrost and side
window demist outlets. This mode works best
in cold or snowy conditions.
12. Climate Control OFF Button
Press and release this button to turn the Climate Control
ON/OFF. 13. Driver Temperature Control Down Button
(Uconnect® 8.4)
Provides the driver with independent temperature con-
trol. Push the button on the faceplate for cooler tempera-
ture settings or on the touchscreen, press and slide the
temperature bar towards the blue arrow for cooler tem-
perature settings.
NOTE:
In Sync mode, this button will also automatically
adjust the passenger temperature setting at the same
time.
14. Driver Temperature Control Up Button (Uconnect®
8.4)
Provides the driver with independent temperature con-
trol. Push the button on the faceplate button for warmer
temperature settings or on the touchscreen, press and
slide the temperature bar towards the red arrow for
warmer temperature settings.
410 UNDERSTANDING YOUR INSTRUMENT PANEL

ADDING FUEL ....................... .636
▫ Loose Fuel Filler Cap Message ............638
 VEHICLE LOADING ....................639
▫ Certification Label ....................639
 TRAILER TOWING .....................641
▫ Common Towing Definitions .............641
▫ Trailer Hitch Type and Maximum Trailer
Weight ............................ .648
▫ Trailer Towing Weights
(Maximum Trailer Weight Ratings) .........649
▫ Trailer And Tongue Weight ..............650
▫ Towing Requirements ..................651 ▫
Towing Tips ........................ .661
 SNOWPLOW ........................ .663
▫ 1500 Models Only .....................663
▫ 2500/3500 Models Only .................663
 RECREATIONAL TOWING
(BEHIND MOTORHOME, ETC.) ............667
▫ Towing This Vehicle Behind Another Vehicle . .667
▫ Recreational Towing — Two-Wheel Drive
Models ............................ .668
▫ Recreational Towing — Four-Wheel Drive
Models ............................ .669
5
STARTING AND OPERATING 441

CAUTION!
To prevent damage to the starter, do not crank the
engine for more than 10 seconds at a time. Wait 10 to
15 seconds before trying again.
WARNING!
•Never pour fuel or other flammable liquids into
the throttle body air inlet opening in an attempt to
start the vehicle. This could result in a flash fire
causing serious personal injury.
• Do not attempt to push or tow your vehicle to get it
started. Vehicles equipped with an automatic trans-
mission cannot be started this way. Unburned fuel
could enter the catalytic converter and once the
engine has started, ignite and damage the converter
and vehicle.
(Continued)
WARNING! (Continued)
•If the vehicle has a discharged battery, booster
cables may be used to obtain a start from a booster
battery or the battery in another vehicle. This type
of start can be dangerous if done improperly. Refer
to “Jump Starting” in “What To Do In Emergen-
cies” for further information.
If the engine has been flooded, it may start to run, but not
have enough power to continue running when the igni-
tion button/key is released. If this occurs, continue
cranking with the accelerator pedal pushed all the way to
the floor. Release the accelerator pedal and the ignition
button/key once the engine is running smoothly.
If the engine shows no sign of starting after a 10 second
period of engine cranking with the accelerator pedal held
to the floor, wait 10 to 15 seconds, then repeat the
“Normal Starting” procedure.
446 STARTING AND OPERATING

1500 Models
The engine block heater cord is routed under the hood on
the passenger side of the vehicle near the right head lamp
assembly. It is located between the front grill and the
radiator, but underneath the black upper seal.
2500/3500 Models
The engine block heater cord is routed through the grille
by the right front tow hook.
It includes a removable cap that is secured by a tethered
strap. It also has a c-clip that is used for storage when not
in use for the winter months. During winter months,
remove the heater cord wiring assembly from itself on
the c-clip.
The engine block heater must be plugged in at least one
hour to have an adequate warming effect on the engine.WARNING!
Remember to disconnect the engine block heater
cord before driving. Damage to the 110-115 Volt
electrical cord could cause electrocution.
AUTOMATIC TRANSMISSION
CAUTION!
Damage to the transmission may occur if the follow-
ing precautions are not observed:
•Shift into or out of PARK or REVERSE only after
the vehicle has come to a complete stop.
• Do not shift between PARK, REVERSE, NEU-
TRAL, or DRIVE when the engine is above idle
speed.
• Before shifting into any gear, make sure your foot
is firmly pressing the brake pedal.
452 STARTING AND OPERATING