How to Open Your 2009 Hyundai Elantra Key Fob & Change Battery

How to Open Your 2009 Hyundai Elantra Key Fob & Change Battery

Remote key fob grant access to your Hyundai. When the remote key fob battery is dead you’ll lose your fob’s ability to control distance opening function. Below, we walks you through how to disassembly your car key fob and replace your Hyundai key battery step by step.

What type battery key fob require

Before you start to open remote key fob be sure that you have all required tools and materials: flat head screwdriver and 1xCR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

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

A tiny button battery installed in the your key fob. Gently try to disassemble your keyless entry remote with flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's shell. Battery must be placed with the same position as was a previous. Your key will not work if you mistakenly place battery wrong way.

Before assembling keyless entry fob's case, make sure that all functions works by testing buttons on key fob.

At this point squeeze keyless entry fob's back cover together. Line your shell two halves together and assemble it together by hands from top to bottom. Check your keyless entry remote body for gaps. If it is not tightly closed try to repeat last step.

How to replace the battery video guide

Hyundai Elantra / Sonata Key Fob Battery Replacement - DIY

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Hyundai Elantra require 1xCR2032 batteries. Price for CR2032 batteries are under $6 build upon the brand, type and size packaging you buy. Take your old battery to the store, to find a proper replacement.

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

Yes, you can change battery in your 2009 Hyundai Elantra key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty simple with our instruction.

The price to change the battery inside key fob is in range from $30 to as high as $500 depending on the make and the service station.

You should replace batteries inside remote key fob of Hyundai Elantra at least every 3-4 years. The lifetime of battery vary on usage time, quality and operating conditions.

If your auto need multiple clicks to unlock or lock doors, fob's battery more than 4 years old, has low key battery indicator on dashboard or key fob buttons not working, in most cases battery change in remote key fob needed. Currently installed battery is dead or weak with a high probability, but if it's not fix problem, fob change or repair needed.
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Fob Compatibility:

  1. FCC ID: OSLOKA-310T
  2. Models: 2007-2010 Hyundai Elantra