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:

    When To Use 4L (Low) Range
    When off-road driving, shift into 4L (Low) for additional traction and control on slippery or difficult terrain, ascending or descending steep hills, and to increase low speed pulling power. This ...

    If Engine Fails To Start
    WARNING! • Never pour fuel or other flammable liquids into the throttle body air inlet opening in an attempt to start the vehicle. This could result in a flash fire causing serious personal inj ...

    Wrangler in the Market
    The Wrangler is Jeep's best-selling vehicle this year, but sales are plummeting. I suspect that's because more than two years of recession have produced a more practical car buyer who doesn't need ...