How to Open Your 2005 Hyundai Sonata Key Fob & Change Battery

How to Open Your 2005 Hyundai Sonata Key Fob & Change Battery

If your auto remote key fob isn't working well, the cell battery surely needs to be changed. It's not complicated to change the battery in your remote key fob with our guide. All you need is explained in this article.

What type battery does 2005 Hyundai Sonata key fob required

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

Simple steps to change the battery in your Sonata's keyless entry remote

Inside of your key fob installed small coin cell battery. Gently try to pry apart your fob with flat head screwdriver. Change 1xCR2032 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's shell. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

After the new battery installed, verify key fob by pressing buttons. If everything is functioning, assemble your keyless entry fob's case in reverse order.

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

How to replace the battery video guide

How To Replace Hyundai Sonata Key Fob Battery 2002 2005

Still not working? Buy new one

Frequently Asked Questions

Key fob of Hyundai Sonata require 1xCR2032 batteries. Most CR2032 batteries are under $4 build upon the size packaging, type and brand you buy. Take your old battery to the store, to be sure.

Keyless entry remote in most of cases do not require to be reprogrammed after battery change. If your keyless entry remote not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Changing your keyless entry remote battery is easy to do in 2005 Hyundai Sonata. Most of car manufacturers think about customers and make a special hole for key fob disassembly.

Car service cost for change the battery in key fob is from 50 to 600 dollars depending on the car.

Key fob batteries in Hyundai Sonata should be changed every 3-4 years, but this will vary based on usage and battery quality. If your keyless entry remote reduced signal strength, you should change batteries before it stop close doors and make problems for you.

If your Hyundai fob's battery more than 4 years old, need multiple clicks to unlock or lock doors, has low key battery indicator on dashboard or signal strength reduced, it's probably battery change in key fob needed. Current battery is dead or weak with a high probability, but if it's not fix problem, remote key fob replace or repair needed.
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Fob Compatibility:

  2. Models: 2001-2005 Hyundai Sonata