2017 RAM CHASSIS CAB charging

Interior Lights
Courtesy and dome lights are turned on when the front
doors are opened, when the dimmer control (rotating
wheel on the bottom of the switch) is rotated to the far right
detent position. If your vehicle is equipped with Remote
Keyless Entry and the unlock button is pushed on the key
fob the courtesy and dome lights will turn on. 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 the  Party 
mode because it allows the doors to stay open for extended
periods of time without discharging the vehicle’s battery.
The brightness of the instrument panel as well as the
ambient lighting can be regulated by rotating the dimmer
control right (brighter) or left (dimmer). When the head-
lights 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 “Under-
standing Your Instrument Panel” for further details.
Dimmer Control 3UNDERSTANDING THE FEATURES OF YOUR VEHICLE 129

Engine Temperature Warning Light
Red Warning
Light What It Means
Engine Temperature Warning Light
This light warns of an overheated engine condition. As engine coolant temperatures rise and the
gauge approaches H , this indicator will illuminate and a single chime will sound after reaching a
set threshold. Further overheating will cause a continuous chime sound for 4 minutes, or until
the engine is allowed to cool, whichever comes first.
If the light turns on while driving, safely pull over and stop the vehicle. If the A/C system is on,
turn it off. Also, shift the transmission into NEUTRAL and idle the vehicle. If the temperature
reading does not return to normal, turn the engine off immediately and call for service. Refer to
“If Your Engine Overheats” in “What To Do In Emergencies” for further information.
Battery Charge Warning Light
Red Telltale
Light What It Means
Battery Charge Warning Light
This light illuminates when the battery is not charging properly. If it stays on while the engine is
running, there may be a malfunction with the charging system. Contact your authorized dealer as
soon as possible. This indicates a possible problem with the electrical system or a related compo-
nent.200 UNDERSTANDING YOUR INSTRUMENT PANEL

• Transmission Cool Ready To Drive
• Trailer Brake Disconnected
• Service Transmission
• Service Shifter
• Engage Park Brake To Prevent Rolling
• Transmission Too Cold Idle With Engine On
• Washer Fluid Low
The Reconfigurable Telltales section is divided into the
white telltales area on the right, yellow telltales in the
middle, and red telltales on the left.
Battery Saver On/Battery Saver Mode Message —
Electrical Load Reduction Actions — If Equipped
This vehicle is equipped with an Intelligent Battery Sensor
(IBS) to perform additional monitoring of the electrical
system and status of the vehicle battery.
In cases when the IBS detects charging system failure, or
the vehicle battery conditions are deteriorating, electrical
load reduction actions will take place to extend the driving
time and distance of the vehicle. This is done by reducing
power to or turning off non-essential electrical loads. Load reduction is only active when the engine is running.
It will display a message if there is a risk of battery
depletion to the point where the vehicle may stall due to
lack of electrical supply, or will not restart after the current
drive cycle.
When load reduction is activated, the message “Battery
Saver On” or “Battery Saver Mode” will appear in the
instrument cluster.
These messages indicate the vehicle battery has a low state
of charge and continues to lose electrical charge at a rate
that the charging system cannot sustain.
NOTE:
• The charging system is independent from load reduc-
tion. The charging system performs a diagnostic on the
charging system continuously.
• If the Battery Charge Warning Light is on it may indicate
a problem with the charging system. Refer to “Battery
Charge Warning Light” in “Understanding Your Instru-
ment Panel” for further information.232 UNDERSTANDING YOUR INSTRUMENT PANEL

The electrical loads that may be switched off (if equipped),
and vehicle functions which can be affected by load
reduction:
• Heated Seat/Vented Seats/Heated Wheel
• Heated/Cooled Cup Holders — If Equipped
• Rear Defroster And Heated Mirrors
• HVAC System
• 115V AC Power Inverter System
• Audio and Telematics System
Loss of the battery charge may indicate one or more of the
following conditions:
• The charging system cannot deliver enough electrical
power to the vehicle system because the electrical loads
are larger than the capability of charging system. The
charging system is still functioning properly.
• Turning on all possible vehicle electrical loads (e.g.
HVAC to max settings, exterior and interior lights,
overloaded power outlets +12V, 115V AC, USB ports)
during certain driving conditions (city driving, towing,
frequent stopping). • Installing options like additional lights, upfitter electri-
cal accessories, audio systems, alarms and similar de-
vices.
• Unusual driving cycles (short trips separated by long
parking periods).
• The vehicle was parked for an extended period of time
(weeks, months).
• The battery was recently replaced and was not charged
completely.
• The battery was discharged by an electrical load left on
when the vehicle was parked.
• The battery was used for an extended period with the
engine not running to supply radio, lights, chargers,
+12V portable appliances like vacuum cleaners, game
consoles and similar devices. 4UNDERSTANDING YOUR INSTRUMENT PANEL 233

WARNING! (Continued)• Remove any metal jewelry such as rings, watch
bands and bracelets that could make an inadvertent
electrical contact. You could be seriously injured.
• Batteries contain sulfuric acid that can burn your
skin or eyes and generate hydrogen gas which is
flammable and explosive. Keep open flames or
sparks away from the battery.
1. Apply the parking brake, shift the automatic transmis-
sion into PARK and turn the ignition to LOCK.
2. Turn off the heater, radio, and all unnecessary electrical
accessories.
3. If using another vehicle to jump-start the battery, park
the vehicle within the jumper cables reach, set the
parking brake and make sure the ignition is OFF.
WARNING!Do not allow vehicles to touch each other as this could
establish a ground connection and personal injury
could result. Jump-Starting Procedure
WARNING!Failure to follow this jump-starting procedure could
result in personal injury or property damage due to
battery explosion.
CAUTION!Failure to follow these procedures could result in
damage to the charging system of the booster vehicle
or the discharged vehicle.
Connecting The Jumper Cables
1. Connect the positive (+) end of the jumper cable to the
positive (+) post of the discharged vehicle.
NOTE: Do not jump off fuses. Only jump directly off
positive post.
2. Connect the opposite end of the positive (+) jumper
cable to the positive (+) post of the booster battery.
3. Connect the negative (-) end of the jumper cable to the
negative (-) post of the booster battery. 6WHAT TO DO IN EMERGENCIES 437

4. Connect the opposite end of the negative (-) jumper
cable to a good engine ground (exposed metal part of
the discharged vehicle’s engine) away from the battery
and the fuel injection system.
WARNING!Do not connect the jumper cable to the negative (-) post
of the discharged battery. The resulting electrical spark
could cause the battery to explode and could result in
personal injury. Only use the specific ground point, do
not use any other exposed metal parts.
5. Start the engine in the vehicle that has the booster
battery, let the engine idle a few minutes, and then start
the engine in the vehicle with the discharged battery.
CAUTION!Do not connect jumper cable to any of the fuses on the
positive battery terminal. The resulting electrical cur-
rent will blow the fuse.
6. Once the engine is started, remove the jumper cables in
the reverse sequence: Disconnecting The Jumper Cables
1. Disconnect the negative (-) end of the jumper cable from the
engine ground of the vehicle with the discharged battery.
2. Disconnect the opposite end of the negative (-) jumper
cable from the negative (-) post of the booster battery.
3. Disconnect the positive (+) end of the jumper cable from
the positive (+) post of the booster battery.
4. Disconnect the opposite end of the positive (+) jumper
cable from the positive (+) post of the vehicle with the
discharged battery.
If frequent jump-starting is required to start your vehicle
you should have the battery and charging system in-
spected at your authorized dealer.
CAUTION!Accessories plugged into the vehicle power outlets
draw power from the vehicle’s battery, even when not
in use (i.e., cellular devices, etc.). Eventually, if plugged
in long enough without engine operation, the vehicle’s
battery will discharge sufficiently to degrade battery
life and/or prevent the engine from starting.438 WHAT TO DO IN EMERGENCIES

Fluid Type ......................... .478, 503
Shifting .............................. .327
Special Additives ........................ .478
Axle Fluid ........................ .476, 477, 503
Axle Lubrication ....................... .476, 477
Back-Up Camera .......................... .156
Battery .............................. .200, 458
Charging System Light ................... .200
Keyless Key Fob Replacement ................26
Belts, Seat .................................92
Body Builders Guide ..........................6
Body Mechanism Lubrication ................. .466
B-Pillar Location .......................... .371
Brake Assist System ........................ .355
Brake Control System, Electronic ............... .353
Brake Fluid .......................... .475, 503
Brake System ......................... .352, 475
Fluid Check ........................... .475
Master Cylinder ........................ .475
Parking .............................. .350
Warning Light .......................... .198
Brake/Transmission Interlock ................. .327
Bulb Replacement ......................... .495 Bulbs, Light ........................... .94, 494
Cab Top Clearance Lights .................... .498
Camera, Rear ............................ .156
Capacities, Antifreeze (Engine Coolant) .......... .500
Capacities, Fluid .......................... .500
Caps, Filler
Oil (Engine) ........................... .453
Power Steering ......................... .350
Radiator (Coolant Pressure) ................ .473
Carbon Monoxide Warning ................ .91, 400
Cargo Light ............................. .131
Car Washes .............................. .481
Center High Mounted Stop Light .............. .497
Center Seat Storage Compartment .............. .178
Certification Label ......................... .401
Chart, Tire Sizing .......................... .367
Check Engine Light (Malfunction Indicator Light). . . .449
Checking Your Vehicle For Safety ................91
Checks, Safety .............................91
Child Restraint .............................66
Child Restraints
Booster Seats ............................71
Child Restraints ..........................66 10 INDEX 519