Insert a slim tool into the opening and gently pry open the rear cover of the smart key.
Hyundai sonata key battery low.
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.
What the key fob battery low warning light means when the key is in use the computer monitors the output voltage of the fob s battery.
Check the chart below to find your hyundai key fob.
You can click the button on the right of each row to buy the correct battery for your fob on amazon.
Finding a quality replacement battery for the key fob is the best way to get it working efficiently again.
This smart key takes replaceme.
When this function becomes inconsistent it s is usually due to the battery inside these keys wearing out.
If you are unsure how to use your smart key or replace the battery contact an authorized hyundai dealer.
Sometimes your smart key might not be functioning properly because a battery dies within the smart key.
Once the voltage gets to a certain point the warning light.
If your battery dies in your remote this is a great way to unlock your car and at least get to the store to buy a new battery.
What to do when hyundai smart key is not detected.
Below the chart you will find video tutorials showing you how to replace the internal battery of each key.
Be sure to remove the old battery from the key fob to get an idea of what type is required for your specific key.