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: Loose Fuel Filler Cap Message

After fuel has been added, the vehicle diagnostic system can determine if the fuel filler cap is possibly loose, improperly installed, or damaged. If the system detects a malfunction, the “gASCAP” message will display in the odometer display...

Jeep Wrangler 2018-2026 Owners Manual: Install The Rear Window

Guide the rear window into the retainer from left to right while keeping the window level. Step One Insert the swing gate bar into the retainers at the bottom of the window from left to the right. Step Two Rotate the swing gate bar into the left and right side retainers...