Jeep Wrangler: VEHICLE MAINTENANCE / Automatic Transmission — If Equipped

Manual Transmission — If Equipped

Fluid Level Check Check the fluid level by removing the fill plug. The fluid level should be between the bottom of the fill hole and a point not more than 3/16 of an inch (4...

Special Additives

FCA strongly recommends against using any special additives in the transmission. Automatic Transmission Fluid (ATF) is an engineered product and its performance may be impaired by supplemental additives...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: SENTRY KEY

The Sentry Key Immobilizer system prevents unauthorized vehicle operation by disabling the engine. The system does not need to be armed or activated. Operation is automatic, regardless of whether the vehicle is locked or unlocked.  The system uses a key fob, keyless push button ignition and a Radio Frequency (RF) receiver to prevent unauthorized vehicle operation...

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...