2016 Ram 2500 warning light

•Do not change the thermostat for Summer or Winter
operation. If replacement is ever necessary, install
ONLY the correct type thermostat. Other designs may
result in unsatisfactory engine coolant (antifreeze)
performance, poor gas mileage, and increased emis-
sions.
Charge Air Cooler — Inter-Cooler
The charge air cooler is positioned below the radiator and
the air conditioner condenser. Air enters the engine
through the air cleaner and passes through the turbo-
charger, where it is pressurized. This pressurized air
rapidly reaches high temperature. The air is then directed
through a hose to the charge air cooler and through
another hose to the intake manifold of the engine. The air
entering the engine has been cooled by about 50° to 100°F
(10° to 38°C). This cooling process enables more efficient
burning of fuel resulting in fewer emissions. To guarantee optimum performance of the system, keep
the surfaces of the charge air cooler, condenser and
radiator clean and free of debris. Periodically check the
hoses leading to and from the charge air cooler for cracks
or loose clamps resulting in loss of pressure and reduced
engine performance.
Brake System
Brake Master Cylinder — Brake Fluid Level Check
The fluid level of the master cylinder should be checked
when performing under the hood service, or immedi-
ately if the “Brake System Warning Light” indicates
system failure.
The brake master cylinder has a translucent plastic
reservoir. On the outboard side of the reservoir, there is a
“MAX” mark and a “MIN” mark. The fluid level must be
kept within these two marks. Do not add fluid above the
full mark because leakage may occur at the cap.
360 MAINTAINING YOUR VEHICLE

Adding Engine Coolant (Antifreeze)............140
Adding Fuel .............................114
Air Bag Light .............................25
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . .128
Alarm (Security Alarm) ......................28
Antifreeze (Engine Coolant) ..................139
Capacities ........................... .146
Disposal ............................. .142
Automatic Transmission Fluid Type ........................... .150
Axle Fluid ............................. .150
Battery .................................30
Charging System Light ....................30
Brake Fluid ............................ .150
Brake System ........................... .144
Fluid Check .......................... .144
Master Cylinder ....................... .144Warning Light
..........................26
Capacities, Antifreeze (Engine Coolant) ..........146
Capacities, Fluid ......................... .146
Caps, Filler Oil (Engine) .......................... .127
Radiator (Coolant Pressure) ................142
Charge Air Cooler ........................ .144
Coolant Pressure Cap (Radiator Cap) ...........142
Cooling System .......................... .138
Adding Coolant (Antifreeze) ...............140
Coolant Capacity ...................... .146
Coolant Level ......................... .138
Disposal Of Used Coolant .................142
Drain, Flush, And Refill ...................139
Points To Remember .....................143
Pressure Cap ......................... .142
Radiator Cap ......................... .142
Selection Of Coolant (Antifreeze) ........139 , 147
8
INDEX - RAM 1500 391

Cruise Light..............................58
Diesel Fuel ............................. .108
Diesel Fuel Requirements ....................108
Bulk Storage Of ........................117
Diesel Fuel System, Re-Priming ...............135
Disposal Antifreeze (Engine Coolant) ................142
Door Ajar ...............................35
Door Ajar Light ...........................35
Draining Fuel/Water Separator Filter ...........131
Electronic Throttle Control Warning Light .........32
Electronic Vehicle Information Center (EVIC) ......63
Engine ................................ .124
Air Cleaner .......................... .128
Block Heater ...................... .100 , 107
Break-In Recommendations .................13
Compartment ......................... .124Coolant (Antifreeze)
.....................147
Identification ......................... .124
Idling .............................. .104
Oil............................. .126 , 147
Oil Filler Cap ......................... .127
Filters Air Cleaner .......................... .128
Engine Fuel .......................... .131
Engine Oil ....................... .128 , 147
Engine Oil Disposal .....................128
Flashers Turn Signal ............................57
Fluid Capacities ......................... .146
Fluid Level Checks Brake ............................... .144
Fluid, Brake ............................ .150
Fluids, Lubricants And Genuine Parts ...........147
Fog Lights ...............................46
392 INDEX - RAM 1500

Fuel.................................. .108
Adding ..............................114
Diesel ........................... .108 , 147
Filter ............................... .131
Light .................................43
Requirements ......................... .108
Specifications ......................... .109
Tank Capacity ......................... .146
Fueling .................................114
Gauges Voltmeter ............................ .102
Information Center, Vehicle ...................63
Instrument Cluster .........................17
Intervention Regeneration Strategy ..............71
Keyless Enter-N-Go ........................99 Lights
AirBag ...............................25
Brake Warning ..........................26
Cruise .............................58,60
Engine Temperature Warning ................29
Fog ..................................46
Low Fuel ..............................43
Malfunction Indicator (Check Engine) ..........36
Park ..............................56,58
Seat Belt Reminder .......................24
Security Alarm ..........................28
Tire Pressure Monitoring (TPMS) .............40
Turn Signal ............................57
Warning (Instrument Cluster Description) . . . .29 , 57
Maintenance Procedures ....................125
Maintenance Schedule ..................... .152
Malfunction Indicator Light (Check Engine) .......36
8
INDEX - RAM 1500 393

New Vehicle Break-In Period..................13
Oil Pressure Light ..........................31
Oil, Engine ............................. .126
Capacity ............................ .146
Change Interval ....................... .127
Dipstick ............................. .126
Disposal ............................. .128
Filter ........................... .128 , 147
Filter Disposal ........................ .128
Materials Added To ..................... .128
Pressure Warning Light .................31,34
Recommendation ...................... .126
Viscosity ............................ .127
Radiator Cap (Coolant Pressure Cap) ...........139
Remote Starting System ......................12 Schedule, Maintenance
.....................152
Seat Belts Reminder ..............................24
Security Alarm ............................28
Selection Of Coolant (Antifreeze) ..............147
Signals, Turn .............................57
Starting .................................97
Automatic Transmission ...................98
Engine Block Heater .................100 , 107
Remote ...............................12
Starting Procedures .........................97
Starting Procedures (Diesel Engines) .............97
Tip Start ................................98
Ti re s Pressure Warning Light ....................40
Transfer Case Fluid ............................... .150
394 INDEX - RAM 1500

Adding Engine Coolant (Antifreeze)............356
Adding Fuel ............................ .312
Air Bag Light ........................... .191
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . .340
Air Filter .............................. .340
Alarm (Security Alarm) .....................194
Antifreeze (Engine Coolant) ..................355
Capacities ........................... .373
Disposal ............................. .358
Automatic Transmission Adding Fluid ......................... .365
Fluid Level Check ...................... .364
Fluid Type ........................... .377
Shifting ............................. .286
Axle Fluid ............................. .377
Battery ................................ .196
Blanket .......................... .274 , 354Charging System Light
...................196
Emergency Starting ..................... .326
Brake System ........................... .360
Fluid Check .......................... .360
Master Cylinder ....................... .360
Warning Light ........................ .192
Brake/Transmission Interlock .................286
Capacities, Antifreeze (Engine Coolant) ..........373
Capacities, Fluid ......................... .373
Caps, Filler Oil (Engine) .......................... .338
Radiator (Coolant Pressure) ................358
Charge Air Cooler ........................ .360
Coolant Pressure Cap (Radiator Cap) ...........358
Cooling System .......................... .354
Adding Coolant (Antifreeze) ...............356
Coolant Capacity ...................... .373
Coolant Level ......................... .354
396 INDEX - RAM 2500 / 3500 / 4500 / 5500

Disposal Of Used Coolant.................358
Drain, Flush, And Refill ...................355
Points To Remember .....................359
Pressure Cap ......................... .358
Radiator Cap ......................... .358
Selection Of Coolant (Antifreeze) ........355 , 374
Cruise Light ............................ .223
Diesel Exhaust Brake ...................... .281
Diesel Fuel ............................. .307
Diesel Fuel Requirements ....................307
Bulk Storage Of ....................... .316
Diesel Fuel System, Re-Priming ...............350
Disposal Antifreeze (Engine Coolant) ................358
Door Ajar .............................. .201
Door Ajar Light ......................... .201
Draining Fuel/Water Separator Filter ...........344Electronic Range Select (ERS)
.................294
Electronic Speed Control (Cruise Control) ........176
Electronic Throttle Control Warning Light ........198
Electronic Vehicle Information Center (EVIC) ......228
Emergency, In Case Of Jump Starting ......................... .326
Engine ................................ .333
Air Cleaner .......................... .340
Block Heater ...................... .265 , 280
Break-In Recommendations ................173
Compartment ..................... .333 , 334
Coolant (Antifreeze) .....................374
Identification ..................... .333 , 334
Idling .............................. .275
Jump Starting ......................... .326
Oil............................. .336 , 374
Oil Filler Cap ......................... .338
Oil Synthetic ......................... .339
Runaway ............................ .306
8
INDEX - RAM 2500 / 3500 / 4500 / 5500 397

LightsAirBag ............................. .191
Brake Warning ........................ .192
Cruise .......................... .223 , 225
Engine Temperature Warning ...............195
Fog .................................211
Low Fuel ............................ .209
Malfunction Indicator (Check Engine) .........202
Park ............................ .221 , 223
Seat Belt Reminder ..................... .190
Security Alarm ........................ .194
Tire Pressure Monitoring (TPMS) ............206
Turn Signal .......................... .222
Warning (Instrument Cluster Description) . .195 , 222
Maintenance Procedures ....................335
Maintenance Schedule ..................... .380
Malfunction Indicator Light (Check Engine) .......202
Manual Transmission ..................... .298Fluid Level Check
...................... .362
Shift Speeds .......................... .300
New Vehicle Break-In Period .................173
Noise Control Maintenance .......................... .367
Tampering Prohibited ....................368
Noise Emission Warranty ....................366
Oil Change Indicator ...................... .381
Oil Pressure Light ........................ .197
Oil, Engine ............................. .336
Capacity ............................ .373
Change Interval ....................... .337
Dipstick ............................. .336
Disposal ............................. .340
Filter ........................... .340 , 374
Filter Disposal ........................ .340
Identification Logo ..................... .337
8
INDEX - RAM 2500 / 3500 / 4500 / 5500 399