You should know that this process will be different depending on if you drive a new hyundai model or an older one but not dramatically.
2011 hyundai sonata key fob battery.
Insert a slim tool into the opening and gently pry open the rear cover of the smart key.
How to open your key fob.
Batteries tend to work consistently well right up to the time they fail and it s hard to tell when one is on the way out.
Gently snap together the two halves of the key fob until they are flush on all sides.
For more check out my hyundai sonata repair maintenance guides page.
Check the chart below to find your hyundai key fob.
A smart key battery should last for several years but if the smart key is not working properly try replacing the battery with a new one.
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Below the chart you will find video tutorials showing you how to replace the internal battery of each key.
There s a slot that we can use to open the device.
2011 hyundai sonata battery if you need a new 2011 sonata battery it s time to stop by autozone.
Take a flat head screwdriver insert it into the slot and twist.
The first thing you ll need to know to replace the battery in your keyfob is how to open the hyundai key fob.
The key fob will pop open giving you access to the battery.
First look at the top of the key fob above the light.
Changing the battery in this hyundai sonata key fob is simple.
Testing new fob battery.
You can click the button on the right of each row to buy the correct battery for your fob on amazon.
Test the new key fob battery by standing near your hyundai sonata and pressing the lock or unlock buttons.
If this is the case then you can easily replace the battery thanks to very helpful places online where you can do a battery replacement.
Hyundai key fob types.
Sometimes your smart key might not be functioning properly because a battery dies within the smart key.