Because car layouts vary slightly, even within the same model year, it's best to:
1. Consult your owner's manual: This is the most reliable source for the exact location and type of fluid to use.
2. Look for diagrams in online repair manuals: Sites like RepairPal or Chilton often have diagrams showing fluid locations. Search for "2005 Saturn Ion power steering fluid reservoir location."
Caution: Be careful when checking and adding fluid. The fluid is usually hot when the engine has been running, so let it cool before working near it. Also, ensure you use the correct type of power steering fluid, as specified in your owner's manual. Using the wrong fluid can damage your power steering system.