How do you remove the coolant reservoir in a 2007 Saturn Ion?

To remove the coolant reservoir in a 2007 Saturn Ion, first ensure the engine is cool and disconnect the negative battery terminal for safety. Next, drain the coolant from the reservoir by removing its lower hose. Then, unbolt the reservoir from its mounting brackets and disconnect any electrical connectors if present. Finally, lift the reservoir out carefully, ensuring no remaining coolant spills.