Engine Heater
The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up.
Plug in the coolant heater at least four hours before starting the vehicle. An internal thermostat in the plug end of the cord will prevent engine coolant heater operation at temperatures above −18°C (0°F).
See also:
Engine Compartment Overview
When you open the hood on the 3.9L V6 engine, here is what you will see:
A. Underhood Fuse Block.
B. Remote Positive (+) Battery Terminal. See Jump
Starting.
C. Windshield Washer Fluid Reservoi ...
Engine Coolant Heater
Your vehicle may have an engine coolant heater.
In very cold weather, 0°F (−18°C) or colder,
the engine coolant heater can help. You will get
easier starting and better fuel economy durin ...
Remote Vehicle Start
For vehicles with this feature, the engine can be started from outside the vehicle. ...