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4
WARNING LIGHTS AND MESSAGES .................128
Red Warning Lights ....................................... 128
Yellow Warning Lights ................................... 131
Yellow Indicator Lights .................................. 134
Green Indicator Lights................................... 135
White Indicator Lights ................................... 136
Blue Indicator Lights ..................................... 137
Gray Indicator Lights ..................................... 137
ONBOARD DIAGNOSTIC SYSTEM — OBD II ......137
Onboard Diagnostic System (OBD II)
Cybersecurity ................................................. 137
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ..........................................................138
STARTING AND OPERATING
STARTING THE ENGINE — GASOLINE ENGINE
(IF EQUIPPED) ......................................................139
Manual Transmission — If Equipped ........... 139
Automatic Transmission — If Equipped ....... 139
Normal Starting ............................................ 139
AutoPark ........................................................ 140
Extreme Cold Weather (Below –22°F Or
−30°C) .......................................................... 141
Extended Park Starting ................................. 141
If Engine Fails To Start .................................. 142
After Starting.................................................. 142
STARTING THE ENGINE — DIESEL ENGINE
(IF EQUIPPED)...................................................... 142
Automatic Transmission ............................... 143
Extreme Cold Weather .................................. 143
Normal Starting ............................................. 143
Starting Fluids ............................................... 144
NORMAL OPERATION — DIESEL ENGINE......... 144
Cold Weather Precautions............................ 145
Engine Idling .................................................. 145
Stopping The Engine ..................................... 146
Cooling System Tips — Automatic
Transmission ................................................. 146
ENGINE BREAK-IN RECOMMENDATIONS —
GASOLINE ENGINE (IF EQUIPPED) ................... 147
ENGINE BREAK-IN RECOMMENDATIONS —
DIESEL ENGINE (IF EQUIPPED) ......................... 147
PARKING BRAKE................................................. 148
MANUAL TRANSMISSION — IF EQUIPPED....... 149
Shifting........................................................... 150
Downshifting.................................................. 151
AUTOMATIC TRANSMISSION —
IF EQUIPPED ........................................................ 151
Ignition Park Interlock................................... 152
Brake/Transmission Shift Interlock (BTSI)
System .......................................................... 153
8–Speed Automatic Transmission .............. 153
FOUR–WHEEL DRIVE OPERATION ...................157
Four-Position Transfer Case —
If Equipped ................................................... 157
Five-Position Transfer Case — If Equipped .. 159
Trac-Lok Rear Axle — If Equipped ................ 161
Axle Lock (Tru-Lok) Front And Rear —
If Equipped ................................................... 161
Axle Lock (Tru-Lok) Rear Only —
If Equipped ................................................... 162
Electronic Sway Bar Disconnect —
If Equipped ................................................... 162
Off Road+ — If Equipped............................... 163
ELECTRO-HYDRAULIC POWER STEERING .......164
STOP/START SYSTEM — AUTOMATIC
TRANSMISSION (IF EQUIPPED) ........................165
Autostop Mode .............................................. 165
Possible Reasons The Engine Does Not
Autostop......................................................... 166
To Start The Engine While In Autostop
Mode.............................................................. 166
To Manually Turn Off The Stop/Start
System ........................................................... 167
To Manually Turn On The Stop/Start
System ........................................................... 167
System Malfunction ...................................... 167
22_JL_OM_EN_USC_t.book Page 4
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