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: Heated Steering Wheel — If Equipped

The steering wheel contains a heating element that helps warm your hands in cold weather. The heated steering wheel has only one temperature setting. Once the heated steering wheel has been turned on, it will stay on until the operator turns it off...

Jeep Wrangler 2018-2026 Owners Manual: To Turn Off The Engine Using ENGINE START/STOP Button

Place the gear selector in PARK, then push and release the ENGINE START/STOP button. The ignition will return to the OFF mode. If the gear selector is not in PARK (with vehicle stopped) and the ENGINE START/ STOP button is pushed once, the transmission will automatically select PARK and the engine will turn off while the ignition will remain in the ACC mode (NOT the OFF mode)...