How to Replace the Battery in a 2003 Saturn Ion Key Fob

How to Replace the Battery in a 2003 Saturn Ion Key Fob

If your Saturn remote key fob isn't open doors well, the cell battery surely needs to be replaced. In this post, you’ll benefit from knowing how to open your remote key fob and change a dead battery yourself. If you decide to do it at home near Ion, follow our guide, but first make sure you have everything you need.

What type battery remote key fob require

Don't forget before disassembly key fob check all that you need: flat head screwdriver and 1 CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

A small coin battery installed in the your key fob. Delicately try to disassemble your remote key fob with hands or flat head screwdriver. Replace one CR2032 battery with flat head screwdriver.

Now it's time to install new battery in fob’s body. Battery must be installed with the same position as was an old. Your keyless entry remote will not work if you mistakenly put battery wrong way.

Before assembling keyless entry fob's case, make sure that all functions works by pressing buttons on circuit board.

The last thing to do is put your cover back on fob. Gently try to assemble the pieces together by hands from top to bottom. Check your fob case for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2003 Saturn Ion Video

How To Replace A Saturn Ion Key Fob Battery 2003 - 2007 FCC ID N5F250738

Still not working? Buy new one


Keyless entry remote of Saturn Ion require 1xCR2032 batteries. Price for CR2032 batteries are under $5 build upon the type, brand and size packaging you buy. Take your old battery to the store, to find a proper replacement.

Often, after key battery change, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Changing your key fob battery is easy to do in 2003 Saturn Ion. Most of car manufacturers think of the clients and make a special hole for keyless entry remote open.

Dealer service price for replace the battery in keyless entry remote is from $30 to as high as $500 depending on the brand.

Keyless entry remote batteries in modern cars should be replaced every four years, although this will differ based on usage and quality. If your key fob decreased signal strength, you should change batteries before it stop open doors and make problems for you.

These signs will warning you that it's perhaps time to replace battery in your Saturn Ion: multiple clicks to unlock or lock doors required, key fob buttons not working, low key battery indicator on dashboard and signal strength reduced.
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Fob Compatibility:

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