2023 JEEP WRANGLER fuel additives

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Page 171 of 396

JEEP WRANGLER 2023  Owners Manual 
STARTING AND OPERATING169
possibly warm up the DEF fluid and allow the 
gauge to update after a period of run time. Under 
very cold conditions, it is possible that the gauge 
may not reflect the new

Page 325 of 396

JEEP WRANGLER 2023  Owners Manual 
SERVICING AND MAINTENANCE323
10. Lubricate o-ring on the cap with clean engine oil.
11. Install the new fuel filter cartridge onto the cap.
12. Insert the cap and filter into the housing with 
clockw

Page 371 of 396

JEEP WRANGLER 2023  Owners Manual 
TECHNICAL SPECIFICATIONS369

Torque Patterns

After 25 miles (40 km), check the lug nut/bolt torque to be 
sure that all the lug nuts/bolts are properly seated against 
the wheel.
FUEL REQUIREMENTS

Page 372 of 396

JEEP WRANGLER 2023  Owners Manual 
370TECHNICAL SPECIFICATIONS  
GASOLINE/OXYGENATE BLENDS    
Some fuel suppliers blend unleaded gasoline with 
oxygenates such as ethanol.
Problems that result from using gasoline containing more 
tha

Page 373 of 396

JEEP WRANGLER 2023  Owners Manual 
TECHNICAL SPECIFICATIONS371
FUEL REQUIREMENTS – DIESEL ENGINE    
Federal law requires that you must fuel this vehicle with 
Ultra Low Sulfur Highway Diesel fuel (15 ppm Sulfur 
maximum) and prohib

Page 374 of 396

JEEP WRANGLER 2023  Owners Manual 
372TECHNICAL SPECIFICATIONS  
Biodiesel Fuel Properties — Low Ambient 
Temperatures
Biodiesel fuel may gel or solidify at low ambient 
temperatures, which may pose problems for both storage 
and op

Page 384 of 396

JEEP WRANGLER 2023  Owners Manual 
382  
INDEX
AAbout Your Brakes ....................................................... 368
Adaptive Cruise Control (ACC) 
(Cruise Control) ................................................... 151
, 15

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JEEP WRANGLER 2023  Owners Manual 
385
Four Wheel Drive Operation ........................................ 142
Four-Way Hazard Flasher ............................................ 291
Freedom Panels ...................................