RAM Commercial CHASSIS CAB 3500 2021 Owner's Manual page 6

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ONBOARD DIAGNOSTIC SYSTEM - OBD II ... 116
Onboard Diagnostic System
(OBD II) Cybersecurity................................116
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ........................................................ 117
STARTING AND OPERATING
STARTING THE ENGINE - GASOLINE
ENGINE ............................................................... 118
Automatic Transmission............................118
Tip Start Feature .......................................118
Keyless Enter-N-Go - Ignition...................118
Normal Starting Using ENGINE
START/STOP Button .................................119
AutoPark - Rotary Shifter and Eight
Speed Transmission Only..........................120
Cold Weather Operation
(Below -22°F Or −30°C) .........................122
After Starting ..............................................122
STARTING THE ENGINE - DIESEL ENGINE..... 122
Automatic Transmission............................123
Keyless Enter-N-Go - Ignition...................123
Extreme Cold Weather...............................125
Normal Starting Procedure - Engine Manifold
Air Temperature Above 66°F (19°C) .......125
Starting Procedure - Engine Manifold
Air Temperature 0°F To 66°F
(-18°C to 19°C)........................................126
Starting Procedure - Engine Manifold Air
Temperature Below 0°F (-18°C)..............127
Starting Fluids............................................128
NORMAL OPERATION - DIESEL ENGINE........128
Cold Weather Precautions ........................129
Engine Idling .............................................131
Noise...........................................................132
Stopping The Engine .................................133
Idle Shutdown ............................................133
Programmable Maximum Vehicle
Speed .........................................................134
Operating Precautions...............................134
Cooling System Tips ..................................134
Diesel Particulate Filter (DPF) Manual
Regeneration - If Equipped .......................135
ENGINE BLOCK HEATER - IF EQUIPPED ........135
ENGINE BREAK-IN RECOMMENDATIONS -
GASOLINE ENGINE ............................................136
ENGINE BREAK-IN RECOMMENDATIONS -
DIESEL ENGINE...................................................137
PARKING BRAKE ...............................................137
DIESEL EXHAUST BRAKE
(ENGINE BRAKING) ...........................................138
AUTOMATIC TRANSMISSION ............................140
Ignition Park Interlock ...............................141
Brake/Transmission Shift Interlock (BTSI)
System .......................................................141
Eight-Speed Automatic Transmission - If
Equipped ....................................................141
Six-Speed Automatic
Transmission - If Equipped .....................146
AUXILIARY SWITCHES - IF EQUIPPED ........... 152
FOUR-WHEEL DRIVE OPERATION -
IF EQUIPPED ...................................................... 153
Electronically Shifted Transfer Case (Eight
Speed Transmission) - If Equipped ........153
Electronically Shifted Transfer Case
(Six Speed Transmission) - If Equipped.. 156
Manually Shifted Transfer Case -
If Equipped................................................. 160
LIMITED-SLIP DIFFERENTIAL .......................... 162
POWER TAKE OFF (PTO) OPERATION - IF
EQUIPPED .......................................................... 163
POWER STEERING............................................. 163
Hydraulic Power Steering..........................163
CRUISE CONTROL SYSTEMS -
IF EQUIPPED ...................................................... 164
Cruise Control - If Equipped ...................164
Adaptive Cruise Control (ACC) -
If Equipped ................................................ 166
PARKSENSE FRONT/REAR PARK
ASSIST - IF EQUIPPED ..................................... 177
ParkSense Sensors ................................... 178
ParkSense Warning Display...................... 178
ParkSense Display..................................... 178
Enabling And Disabling ParkSense .......... 181
Service The ParkSense Park Assist
System........................................................ 182
Cleaning The ParkSense System..............182
ParkSense System Usage Precautions .... 182