Fuel Delivery - Gas: Tank-Fuel: Description
WARNING: This page is about a different car, the 2006 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of DAIMLERCHRYSLER CORP.
The fuel tank is constructed of a plastic material. Its main functions are for fuel storage and for placement of the fuel pump module (3), and (if equipped) certain EVAP and ORVR components (1) and (5).