7 Simple Secrets To Totally Making A Statement With Your Hyundai Key Fob

Author : Ziegler Downs | Published On : 05 May 2024

How to Replace a Hyundai I10 Key Fob Battery

The Hyundai i10 is one of the most elegant and stylish cars on the market. Its interior is superior to rivals like the Citroen C1, Volkswagen UP, and SEAT Ibiza.

Hyundai's key fob will do much of the work for you, such as locking and unlocking your vehicle remotely. It also comes with a mechanical key that you can use in the event the battery of your fob dies.

Dead Coin Battery

The key fob is an incredible invention that allows drivers to lock and start their cars without having to insert an actual key into the ignition. It does this through radio frequency signals that communicate with the vehicle's onboard computer.

The battery inside the keyfob is the one responsible for communicating. It will eventually degrade, and it will have to be replaced. Based on the model of your Hyundai, it may or not display an alert before the battery has died. Keep a spare keyfob with you to replace the battery promptly when it gets worn.

The key fob has to be reprogrammed for the vehicle once the new battery is installed. You can do this with an OBDII or Hyundai Digital Key scanner, but it's usually easier to do it at your Reno home. Follow the directions in your owner’s manual, or search YouTube for “how to replace and open a Hyundai keyfob battery." Be sure to snap a picture of the old battery or note it down before you remove it.

Once the key fob's been reprogrammed, it will begin functioning again. If transponder does not work, you will need to go to an expert for a new key or contact locksmith. They'll have the equipment and know-how to fix it.

Water Damage

A key fob is an extremely useful piece of technology. It lets you lock your vehicle from home, roll down your windows from outside, and even start your vehicle. It is not indestructible, and it will eventually wear out with regular use. Fortunately, replacing the battery of a Hyundai i10 key fob's battery is surprisingly simple and affordable.

The accidental dropping of your key fob into the pool, a puddle or even the washing machine isn't atypical and can be salvaged, but only if you act swiftly. A wet key fob is harmful to electronics. It can cause corrosion, short-circuits and even failure.

The first thing you need to do is try to get as many gallons of water out as you can. Shake any visible moisture out by flipping the fob. It's also possible to place it on top of the radiator or a hairdryer to speed up the process. After removing all the moisture you can, place the fob in a warm place so that it can continue drying out for a couple of days.

Then, you can open the fob to take out the battery that was in it. The majority of Hyundai I10 keys utilize the same type of battery used in many quartz watches, and are usually very simple to replace. After you've replaced the battery, be sure to take a picture or make note of the way it is positioned before closing up the fob.

Poor Battery Contact

It's possible your key fob's battery is getting worn out. This is a typical issue, and usually the remote shows signs of trouble before it gives up completely. Verify that the metal clips are not corroded and tight. If you do, clean them with a suitable battery cleaner and a wire brush. Use a button-cell battery that has the same voltage, size and specifications as the original.

It could also be an indicator that your alternator, the device that charges the battery while the engine is running, is not functioning correctly. A malfunctioning alternator can draw the battery out quickly, causing the warning light to turn on.

A quick voltage test can aid in determining if this is the case for your Hyundai. If the battery is good it's possible the issue is on the circuit board or some other component of the key fob. Press the small metal button or tab on the front or the back of the key fob to unplug it. After you remove the cover, replace it with the new CR2032 battery, making sure that all the connections are contacted.


Hyundai provides keyless entry on several of its models. This makes cruising around Littleton and Parker, CO, easier than ever. If you own an ignition key, you can unlock and lock the doors of your vehicle and start the engine using the remote. But, it's not completely safe and a damaged or broken key fob can cause problems. If your Hyundai keyfob doesn't work you might need to reprogramme it so that it can work with your vehicle.

First, you have to take the battery out. The button cell battery is typically in a plastic tab. When you open the tab, make sure that you replace the battery with one that has the same size and voltage as the one you had previously.

When the battery is replaced close the tab and replace retaining clips. Test the key fob to make sure it still functions.

If the key fob still doesn't work, it might be time to consult an expert locksmith or dealer. A dealer or locksmith can make a new key and remote for you, and they can also program the key to work with your car. This service is usually charged, but it is worth it if your goal is to keep your Hyundai key fob working. They can also assist you in finding the right Hyundai key fob to meet your needs.