Jeep Wrangler 2018-2026 Owners Manual / SERVICING AND MAINTENANCE / VEHICLE MAINTENANCE / Automatic Transmission — If Equipped / Selection Of Lubricant

Jeep Wrangler: Automatic Transmission — If Equipped / Selection Of Lubricant

It is important to use the proper transmission fluid to ensure optimum transmission performance and life. Use only the manufacturer specified transmission fluid. It is important to maintain the transmission fluid at the correct level using the recommended fluid.

NOTE:

No chemical flushes should be used in any transmission; only the approved lubricant should be used.

CAUTION!

Using a transmission fluid other than the manufacturer recommended fluid may cause deterioration in transmission shift quality and/or torque converter shudder.

Fluid And Filter Changes

Under normal operating conditions, the fluid installed at the factory will provide satisfactory lubrication for the life of the vehicle. Routine fluid and filter changes are not required...

Fuses

Other information:

Jeep Wrangler 2018-2026 Owners Manual: IF YOUR ENGINE OVERHEATS

If the vehicle is overheating, it will need to be serviced by an authorized dealer. In any of the following situations, you can reduce the potential for overheating by taking the appropriate action. On the highways — slow down. In city traffic — while stopped, shift transmission into NEUTRAL, but do not increase engine idle speed...

Jeep Wrangler 2018-2026 Owners Manual: Adding Diesel Exhaust Fluid

The DEF gauge (located on the instrument cluster display) will display the level of DEF remaining in the tank. NOTE: Driving conditions (altitude, vehicle speed, load, etc.) will affect the amount of DEF that is used in your vehicle. DEF Fill Procedure NOTE: For the correct DEF fluid type...

Erasing All The HomeLink® Channels

To erase the channels, follow this procedure:

Place the ignition switch into the ON/RUN position. Push and hold the two outside HomeLink® buttons (I and III) for up to 20 seconds, or until the HomeLink® indicator light flashes.