Jeep Wrangler: JUMP STARTING / Jump Starting Procedure


Failure to follow this jump starting procedure could result in personal injury or property damage due to battery explosion.


Failure to follow these procedures could result in damage to the charging system of the booster vehicle or the discharged vehicle.


Make sure at all times that unused ends of jumper cables are not contacting each other or either vehicle while making connections.

Preparations For Jump Start

Supplemental Battery — If Equipped WARNING! Only use the positive battery post on the main battery to jump start your vehicle. Serious injury or death could result if you attempt to jump start using the supplemental battery...

Connecting The Jumper Cables

Connect the positive (+) end of the jumper cable to the remote positive (+) post of the discharged vehicle. Connect the opposite end of the positive (+) jumper cable to the positive (+) post of the booster battery...

Other information:

Jeep Wrangler 2018-2024 Owners Manual: Symbol Glossary


Jeep Wrangler 2018-2024 Owners Manual: Fuel System Cautions

CAUTION! Follow these guidelines to maintain your vehicle’s performance: The use of leaded gasoline is prohibited by Federal law. Using leaded gasoline can impair engine performance and damage the emissions control system. An out-of-tune engine or certain fuel or ignition malfunctions can cause the catalytic converter to overheat...


Bi-Level Mode

Jeep Wrangler. Bi-Level Mode Air comes from the instrument panel outlets and floor outlets. A slight amount of air is directed through the defrost and side window demister outlets.


Bi-Level mode is designed under comfort conditions to provide cooler air out of the panel outlets and warmer air from the floor outlets.

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