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: Turn Signals. Lane Change Assist — If Equipped

Turn Signals Move the multifunction lever up or down to activate the turn signals. The arrows on each side of the instrument cluster flash to show proper operation. NOTE: If either light remains on and does not flash, or there is a very fast flash rate, check for a defective outside light bulb...

Jeep Wrangler 2018-2026 Owners Manual: SYNC Button

Press the SYNC button on the touchscreen to toggle the SYNC feature on/off. The SYNC indicator illuminates when SYNC is on. SYNC synchronizes the passenger temperature setting with the driver temperature setting. Changing the passenger’s temperature setting while in SYNC will automatically exit this feature...