RAM 2500 2021 - Page 6

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PREMIUM INSTRUMENT CLUSTER — GAS
ENGINE................................................................ 104
Premium Instrument Cluster Descriptions —
Gas Engine .................................................105
BASE INSTRUMENT CLUSTER — DIESEL
ENGINE ............................................................... 106
Base Instrument Cluster Descriptions —
Diesel Engine .............................................107
PREMIUM INSTRUMENT CLUSTER — DIESEL
ENGINE................................................................ 109
Premium Instrument Cluster Descriptions —
Diesel Engine .............................................110
INSTRUMENT CLUSTER DISPLAY ................... 111
Instrument Cluster Display Controls.........111
Oil Life Reset .............................................112
Display Menu Items...................................113
Diesel Messages And Warnings — 6.7L
Cummins Diesel Engine ............................118
Battery Saver On/Battery Saver Mode
Message — Electrical Load Reduction
Actions — If Equipped ................................122
WARNING LIGHTS AND MESSAGES ............... 123
Red Warning Lights....................................123
Yellow Warning Lights ...............................126
Yellow Indicator Lights...............................130
Green Indicator Lights...............................132
White Indicator Lights................................133
Blue Indicator Lights..................................133
ONBOARD DIAGNOSTIC SYSTEM — OBD II .... 133
Onboard Diagnostic System
(OBD II) Cybersecurity................................134
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS.........................................................134
STARTING AND OPERATING
STARTING THE ENGINE — GASOLINE
ENGINE ...............................................................136
Automatic Transmission............................136
Tip Start Feature .......................................136
Keyless Enter-N-Go — Ignition...................137
Normal Starting Using ENGINE START/
STOP Button...............................................137
AutoPark — Rotary Shifter and Eight-
Speed Transmission Only..........................138
Cold Weather Operation (Below –22°F Or
−30°C) ......................................................140
After Starting..............................................140
STARTING THE ENGINE — DIESEL ENGINE .....140
Automatic Transmission............................140
Keyless Enter-N-Go — Ignition...................141
Extreme Cold Weather ..............................143
Normal Starting Procedure — Engine
Manifold Air Temperature Above 66°F
(19°C) ........................................................143
Starting Procedure — Engine Manifold Air
Temperature 0°F To 66°F (–18°C to
19°C)..........................................................143
Starting Procedure — Engine Manifold Air
Temperature Below 0°F (-18°C)..............144
Starting Fluids............................................145
NORMAL OPERATION — DIESEL ENGINE ....... 146
Cold Weather Precautions ........................147
Engine Idling .............................................149
Noise ..........................................................150
Stopping The Engine .................................150
Idle Shutdown............................................151
Programmable Maximum Vehicle
Speed .........................................................151
Operating Precautions ..............................151
Cooling System Tips ..................................152
ENGINE BLOCK HEATER — IF EQUIPPED........ 152
ENGINE BREAK-IN RECOMMENDATIONS —
GASOLINE ENGINE ............................................ 153
ENGINE BREAK-IN RECOMMENDATIONS —
DIESEL ENGINE.................................................. 153
PARKING BRAKE .............................................. 154
DIESEL EXHAUST BRAKE — ENGINE
BRAKING (IF EQUIPPED) .................................. 155
AUTOMATIC TRANSMISSION .......................... 156
Ignition Park Interlock ...............................157
Brake/Transmission Shift Interlock (BTSI)
System .......................................................157
Eight-Speed Automatic Transmission — If
Equipped ....................................................157
Six-Speed Automatic Transmission — If
Equipped ....................................................162
AUXILIARY SWITCHES — IF EQUIPPED ........... 168
ACTIVE NOISE CANCELLATION ........................ 168
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