Where is the thermostat on a 2007 Saturn Ion?

The thermostat on a 2007 Saturn Ion is located near the engine, typically on the engine block. To access it, you'll need to remove the intake manifold or other components that may obstruct it. It's usually situated near the upper radiator hose, where the hose connects to the engine. Always refer to a repair manual for specific instructions and safety precautions when attempting to locate or replace the thermostat.