Extreme Cold Weather (Below –20°F Or –29°C)

To ensure reliable starting at these temperatures, use of an externally powered electric engine block heater (available from your authorized dealer) is recommended.

    See also:

    Customer-Programmable Features (System Setup)
    Personal Settings allows you to set and recall features when the transmission is in PARK. If the transmission is out of PARK or the vehicle begins moving, a warning message SETUP NOT AVAILABLE, ...

    Engineering
    Jeep Wrangler delivers unmatched off-road capability with legendary four-wheel drive and is produced with more than seven decades of 4x4 engineering experience behind it. Wrangler continues to off ...

    Ethanol Fuel (E-85)
    E-85 is a mixture of approximately 85% fuel ethanol and 15% unleaded gasoline. WARNING! Ethanol vapors are extremely flammable and could cause serious personal injury. Never have any smoking ...