Jeep Grand Cherokee Owners 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. ...

Place/Retrieve A Call From Hold
To put a call on hold, press the button until you hear a single beep. This indicates that the call is on hold. To bring the call back from hold, press and hold the button until you hear a s ...

Four-Wheel Drive Models
The manufacturer recommends towing with all wheels OFF the ground. Acceptable methods are to tow the vehicle on a flatbed or with one end of vehicle raised and the opposite end on a towing dolly ...