See also:

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. ...

Defroster
Check operation by selecting the defrost mode and place the blower control on high speed. You should be able to feel the air directed against the windshield. See your authorized dealer for service ...

Towing This Vehicle Behind Another Vehicle
NOTE: Vehicles equipped with Quadra-Lift™ must be lowered to the “Park” (lowest) level, and have automatic leveling disabled, before tying them down (from the body) on a trailer or flatb ...