Jeep Wrangler: REFUELING THE VEHICLE — DIESEL ENGINE (IF EQUIPPED) / Avoid Using Contaminated Fuel

REFUELING THE VEHICLE — DIESEL ENGINE (IF EQUIPPED)

The fuel filler cap is located on the driver's side of the vehicle. If the fuel filler cap is lost or damaged, be sure the replacement cap is the correct one for this vehicle...

Bulk Fuel Storage — Diesel Fuel

If you store quantities of fuel, good maintenance of the stored fuel is also essential. Fuel contaminated with water will promote the growth of “microbes...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: IF YOUR ENGINE OVERHEATS

If the vehicle is overheating, it will need to be serviced by an authorized dealer. In any of the following situations, you can reduce the potential for overheating by taking the appropriate action. On the highways — slow down. In city traffic — while stopped, shift transmission into NEUTRAL, but do not increase engine idle speed...

Jeep Wrangler 2018-2026 Owners Manual: Adding Diesel Exhaust Fluid

The DEF gauge (located on the instrument cluster display) will display the level of DEF remaining in the tank. NOTE: Driving conditions (altitude, vehicle speed, load, etc.) will affect the amount of DEF that is used in your vehicle. DEF Fill Procedure NOTE: For the correct DEF fluid type...