Jeep Wrangler: TECHNICAL SPECIFICATIONS / FLUID CAPACITIES

Biodiesel Fuel Requirements

A maximum blend of 5% biodiesel meeting ASTM specification D975 is recommended for use with your diesel engine. If frequent operation with Biodiesel blends that are between 6% and 20% (B6–B20) is desired, the maintenance schedule is subject to shorter intervals...

ENGINE FLUIDS AND LUBRICANTS

CAUTION! Mixing of engine coolant (antifreeze) other than specified Organic Additive Technology (OAT) engine coolant (antifreeze), may result in engine damage and may decrease corrosion protection...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: Get Started

The VR button is used to activate /deactivate your Voice Recognition system. Helpful hints for using Voice Recognition: Reduce background noise. Wind noise and passenger conversations are examples of noise that may impact recognition. Speak clearly at a normal pace and volume while facing straight ahead...

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...