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: 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. Fuel Filler Door Fuel and Diesel Exhaust Fluid (DEF) Fill Location Diesel Fuel Filler DEF Filler NOTE: When the fuel nozzle “clicks” or shuts off, the fuel tank is full...

Jeep Wrangler 2018-2026 Owners Manual: Amazon Alexa Skill — If Equipped

Enjoy the convenience of using your voice to command your vehicle with Amazon Alexa! With Amazon Alexa, you can connect to your vehicle and remotely access key services and features. If your vehicle is equipped with Uconnect Navigation, you can send a destination directly to your vehicle using Alexa...