Engine Block Heater — If Equipped

Jeep Wrangler / Jeep Wrangler Owner's Manual / Starting And Operating / Engine Block Heater — If Equipped

The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded, three-wire extension cord.

The engine block heater cord is found under the hood bundled in front of the battery tray.

The engine block heater must be plugged in at least one hour to have an adequate warming effect on the engine.

WARNING!
Remember to disconnect the engine block heater cord before driving. Damage to the 110-115 Volt AC electrical cord could cause electrocution.

    See also:

    To Exit Remote Start Mode And Drive The Vehicle
    Before the end of the 15-minute cycle, press and release the UNLOCK button on the RKE transmitter to unlock the doors and disarm the Vehicle Security Alarm (if equipped). Then, insert the key into ...

    Electronic Speed Control – If Equipped
    − Do not use in hilly terrain or with heavy loads. − When using the speed control, if you experience speed drops greater than 10 mph (16 km/h), disengage until you can get back to cru ...

    Gross Axle Weight Rating (GAWR)
    The GAWR is the maximum capacity of the front and rear axles. Distribute the load over the front and rear axles evenly. Make sure that you do not exceed either front or rear GAWR. Refer to “Vehi ...