TABLE OF CONTENTS- Page 6
2021 Jeep Gladiator Owner's Manual
Table of Contents
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INSTRUMENT CLUSTER.......................................115
Instrument Cluster Descriptions .................. 119
INSTRUMENT CLUSTER DISPLAY ......................120
Instrument Cluster Display Location And
Controls.......................................................... 120
Oil Life Reset — If Equipped ........................ 121
Off Road+ Display — If Equipped.................. 122
Instrument Cluster Display Selectable
Items .............................................................. 122
Instrument Cluster Display Menu Items ...... 122
Battery Saver On, Battery Saver Mode
Message, And Electrical Load Reduction
(If Equipped) .................................................. 126
Diesel Displays .............................................. 128
Diesel Particulate Filter (DPF) Messages .... 128
Fuel System Messages ................................. 130
WARNING LIGHTS AND MESSAGES .................132
Red Warning Lights....................................... 132
Yellow Warning Lights ................................... 135
Yellow Indicator Lights .................................. 139
Green Indicator Lights................................... 141
White Indicator Lights ................................... 142
Blue Indicator Lights ..................................... 143
ONBOARD DIAGNOSTIC SYSTEM — OBD II...... 143
Onboard Diagnostic System (OBD II)
Cybersecurity................................................. 144
MAINTENANCE PROGRAMS .............................. 144
STARTING THE ENGINE — GASOLINE
ENGINE (IF EQUIPPED) ..................................... 146
Manual Transmission — If Equipped ........... 146
If Equipped .................................................... 146
Normal Starting ......................................... 146
AutoPark ........................................................ 147
(Below –22°F Or −30°C) ............................ 149
If Engine Fails To Start ................................. 149
After Starting ................................................. 149
STARTING THE ENGINE — DIESEL ENGINE
(IF EQUIPPED) ..................................................... 150
Automatic Transmission ............................... 150
Extreme Cold Weather.................................. 151
Normal Starting............................................. 151
Starting Fluids ............................................... 152
NORMAL OPERATION — DIESEL ENGINE......... 152
Cold Weather Precautions............................ 153
Engine Idling .................................................. 153
Stopping The Engine ..................................... 154
Cooling System Tips — Automatic
Transmission ................................................. 155
ENGINE BLOCK HEATER — IF EQUIPPED .........155
ENGINE BREAK-IN RECOMMENDATIONS —
GASOLINE ENGINE (IF EQUIPPED) ...................156
ENGINE BREAK-IN RECOMMENDATIONS —
DIESEL ENGINE (IF EQUIPPED)..........................157
PARKING BRAKE .................................................157
MANUAL TRANSMISSION — IF EQUIPPED .......158
Shifting........................................................... 159
Downshifting.................................................. 160
IF EQUIPPED ........................................................162
Ignition Park Interlock................................... 163
Brake/Transmission Shift Interlock
System .......................................................... 163
Eight–Speed Automatic Transmission ........ 163
Gear Ranges.................................................. 164
FOUR–WHEEL DRIVE OPERATION ....................168
If Equipped .................................................... 168
If Equipped .................................................... 171
Trac-Lok Rear Axle — If Equipped ................ 173
Axle Lock (Tru-Lok) Front And Rear —
If Equipped ................................................... 174
Axle Lock (Tru-Lok) Rear Only —
If Equipped ................................................... 174
Electronic Sway Bar Disconnect —
If Equipped ................................................... 175
OFF ROAD+ — If Equipped ............................ 176
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