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: Audio Performance

Audio quality is maximized under: Low-To-Medium Blower Setting Low-To-Medium Vehicle Speed Low Road Noise Smooth Road Surface Fully Closed Windows Dry Weather Conditions Operation From The Driver's Seat Performance such as audio clarity, echo, and loudness to a large degree rely on the phone and network, and not the Uconnect Phone...

Jeep Wrangler 2018-2026 Owners Manual: In-Vehicle Notifications — If Equipped

Description Your vehicle will send you notifications to remind you when services are needed, or to alert you of other important information, such as recall notices. When you receive a notification through your touchscreen, press OK to dismiss the message, or press Call Care to speak with a SiriusXM Guardian™ Customer Care agent...