Jeep Wrangler Owner's Manual

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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. ...

Special Care
• If you drive on salted or dusty roads or if you drive near the ocean, hose off the undercarriage at least once a month. • It is important that the drain holes in the lower edges of the do ...

Jump-Starting Procedure
WARNING! Failure to follow this procedure could result in personal injury or property damage due to battery explosion. CAUTION! Failure to follow these procedures could result in damage to the ch ...