Jeep Wrangler: JUMP STARTING / Jump Starting Procedure

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 2018-2026 Owners Manual: Front/Rear Axle Fluid

For normal service, periodic fluid level checks are not required. When the vehicle is serviced for other reasons the exterior surfaces of the axle assembly should be inspected. If gear oil leakage is suspected inspect the fluid level. Fluid Level Check Lubricant should be approximately 1/8 inch (3 mm) below the bottom edge of the oil fill hole...

Jeep Wrangler 2018-2026 Owners Manual: WHEEL AND TIRE TORQUE SPECIFICATIONS

Proper lug nut/bolt torque is very important to ensure that the wheel is properly mounted to the vehicle. Any time a wheel has been removed and reinstalled on the vehicle, the lug nuts/ bolts should be torqued using a properly calibrated torque wrench using a six sided (hex) deep wall socket...