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: Diesel Exhaust Fluid Storage

Diesel Exhaust Fluid (DEF) is considered a very stable product with a long shelf life. If DEF is kept in temperatures between 10° and 90°F (-12° and 32°C), it will last a minimum of one year. DEF is subject to freezing at the lowest temperatures...

Jeep Wrangler 2018-2026 Owners Manual: Tire Pressure Monitoring System (TPMS)

The Tire Pressure Monitoring System (TPMS) will warn the driver of a low tire pressure based on the vehicle recommended cold placard pressure. NOTE: The alert warning on the cluster will stay on until the tire is inflated to the placard pressure. The tire pressure will vary with temperature by approximately 1 psi (7 kPa) for every 12°F (6...