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: 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...

Jeep Wrangler 2018-2026 Owners Manual: Replacing The Battery In The Key Fob

The recommended replacement battery is CR2450. NOTE: Customers are recommended to use a battery obtained from Mopar®. Aftermarket coin battery dimensions may not meet the original OEM coin battery dimensions. Perchlorate Material — special handling may apply...