Pressure System
WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
The coolant pressure container consists of a pressure chamber and an overflow chamber. The coolant pressure container is mounted in the right side engine compartment. An overflow hose connects the pressure chamber to the overflow chamber.
NOTE:
Coolant will normally be in the pressure chamber side of the coolant bottle. The overflow chamber should normally be empty