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: MANUAL PARK RELEASE

WARNING! Always secure your vehicle by fully applying the parking brake before activating the Manual Park Release. In addition, you should be seated in the driver’s seat with your foot firmly on the brake pedal when activating the Manual Park Release...

Jeep Wrangler 2018-2026 Owners Manual: ENGINE BLOCK HEATER — IF EQUIPPED

The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded, three-wire extension cord. Diesel Engine Block Heater Cord Location The engine block heater cord is found under the hood bundled up next to the Power Distribution Center (PDC)...