How to Replace the Battery in a 2005 Saturn Ion Key Fob

How to Replace the Battery in a 2005 Saturn Ion Key Fob

If your Saturn remote key fob isn't working properly, the battery more likely needs to be replaced. In this case, we demonstrate how to open Saturn remote key fob and replace a dead or weak battery yourself. If you decide to do it at home near Ion, follow our guide, but don't forget to check all you need before you start.

What size battery does 2005 Saturn Ion remote key fob take

Before going to disassembly key fob check all that you need: flat head screwdriver and 1xCR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to replace the battery in your Ion's remote key fob

A small coin cell battery installed inside the your key fob. Gently try to disassemble your key fob with flat head screwdriver. Remove CR2032 battery with flat head screwdriver.

Replace old battery with new one CR2032. Battery must be installed with the same position as was an old. Your remote key fob will not work if you by mistake put battery wrong way.

After the new battery installed, verify keyless entry remote by pressing buttons. If everything working good, assemble your keyless entry fob's body in reverse order.

The last thing to do is put your cover back on fob. Carefully try to assemble the pieces in place by hands from top to bottom. If your fob body firmly closed, we done. If not, repeat the last step.

Video of remote key fob disassembly

How To Replace Saturn Ion Key Fob Battery 2004 2005 2006 2007

Still not working? Buy new one


Remote key fob of Saturn Ion use 1xCR2032 batteries. Most CR2032 batteries are under $4-6 depending on the size packaging, brand and type you buy. You can take old battery to the store, to be sure.

Key fob in most of cases reprogramming not needed after battery replace. If your key not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Replacing your keyless entry remote battery is easy to do in 2005 Saturn Ion. Most of car manufacturers think of the clients and make a special hole for remote key fob disassembly.

The price to change the battery in remote key fob can run anywhere $50-600 depending on the car and the service station.

Key fob batteries in Saturn Ion should be replaced every three or four years, but this will vary based on frequency of use and battery quality. If your key fob reduced signal strength, you should change batteries before it stop working and make problems for you.

If your Saturn need multiple clicks to unlock or lock doors, signal strength reduced, fob's battery more than 4 years old or has low key battery indicator on dashboard, it's probably battery replace inside key fob needed. Installed battery is weak or dead with a high probability, but if it's not help to fix issues, fob change or repair needed.
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Other Saturn Models:

Fob Compatibility:

  1. FCC ID: N5F250738
  2. Models: 2003-2007 Saturn Ion