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. ...

In the Cabin
The Patriot's interior quality isn't class-leading, but it's acceptable for a car of this price — bearing in mind that the starting price is for a seriously stripped-down Sport model. (Option pa ...

Outside Air Intake
Make sure the air intake, located directly in front of the windshield, is free of obstructions such as leaves. Leaves collected in the air intake may reduce airflow, and if they enter the plenum ...