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 2018-2024 Owners Manual: Instrument Cluster Descriptions

Tachometer Indicates the engine speed in revolutions per minute (RPM x 1000). CAUTION! Do not operate the engine with the tachometer pointer in the red area. Engine damage will occur. Temperature Gauge The temperature gauge shows engine coolant temperature...

Jeep Wrangler 2018-2024 Owners Manual: To Resume

If there is a set speed in the memory, push the RES button and then remove your foot from the accelerator pedal. The instrument cluster display will show the last set speed. Resume can be used at any speed above 20 mph (32 km/h) when only Fixed Speed Cruise Control is being used...