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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai i20 owners are able to lock and unlock their cars remotely. They can also start the vehicle in advance and monitor the key fob's functions using an application for mobile devices on their smartphone.

But, sometimes, the key fob might stop functioning for a reason. This could be due to a dead battery, water damage, or even signal interference.

Battery

Hyundai has created the smart key fob for their vehicles that allows you to perform a range of remote functions including locking and unlocking doors, starting your vehicle and even activating the panic button. It's an ideal way to save time and energy for drivers, but can be frustrating when it doesn't work as intended. There are several things you can do when your Hyundai i20's main fob isn't working properly.

The first step is to check the battery. Most smart key fobs use a coin cell battery that is easily replaced in minutes. This is typically the fastest and most affordable way to resolve the issue. Replacement batteries are readily available in the majority of stores or on the internet. Re-open the keyfob after installing the new battery to make sure that the battery is in its correct location and that it is in contact with all the connections.

Make sure to capture a photograph or take a note of where the previous battery was placed on the circuit board prior to removing it. This will help you install the new battery in the same manner. The majority of Hyundai smart key fobs utilize CR2032 batteries, which are sold in most shops or online. Once you have the battery in place and closed, you can close the key fob and check to see if it's working again.

Contacts

If your Hyundai key fob suddenly stopped working and you didn't drop it, there may be a problem with the internal chip. The receiver module inside the car uses radio frequency signals to communicate with the remote. If these signals are interrupted by nearby transmitters, or objects the key fob could stop working properly.

If you're looking for a reliable way to unlock, lock and start your vehicle during your Reno commute, consider the Hyundai Digital Key system. This advanced keyless entry system operates via an app for smartphones and lets you share Digital Key access with up three other people. This is useful when you offer your friend a ride when you leave your car with valet services.

A dead battery is the primary cause of the Hyundai i20's key fob not working. It's time for a new battery if it is showing signs of age like a slow operation or no response at all. While replacing and opening the battery in your Hyundai key fob battery shouldn't be difficult, there are a few things to consider prior to beginning. First, take a note of how the old battery is laid within the circuit board, or take a photograph. This will help you put the new battery in the same location.

Water Damage

The rubber seals on the key fob protect the chip from water. So, if it is able to withstand an accidental splash of water from a washing machine, or a brief submersion in light rain it's unlikely to be damaged. However, if you drop it in the pool or the ocean, then the water could penetrate the seals and damage the circuit board, which can be expensive to repair.

The first step is drying the key fob completely. This can be done in a variety of ways. You can put it in a plastic bag containing silica gel packets that will draw the moisture out of it. Or, you could use uncooked rice but it's crucial not to contact the key fob when it's still wet, as this could contaminate the internal components.


You can also clean the the circuit board using isopropyl or electronic cleaner. If the chip is damaged it's best to accept you'll have to replace the key fob.

It is simple to change the battery on your Hyundai key fob. The process is typically simple. You can use a YouTube tutorial or your owner's manual guide you through the process. It's a good idea to keep an extra key fob on hand so you can drive around in your vehicle while waiting for your key to be repaired.

hyundai key fob of a fault

It can be difficult to diagnose a problem if your check engine light comes on and you have a fault code. This is why the diagnostic scanner is typically called an OBD 2 (or OBD 2 in the United Kingdom). These are available in Bluetooth versions that connect to your phone or standard models with an integrated reader.

The throttle position sensor (TPS) located in the located within the i20, may become damaged. This sensor is responsible for measuring the opening angle of the throttle valve. The data is sent to the control unit, which is used to calculate the amount of fuel needed. A malfunctioning throttle position sensor could cause a reduction in engine performance, jerky acceleration and RPM fluctuations while driving.

Transmission problems are a common issue in the i20s. The transmission is a complex component made up of many gears that mesh together to transfer power from the engine to wheels. In time friction between gears can lead to the transmission's failure. Grinding or clunking sounds and an acceleration that is jerky can indicate a faulty gearbox.

Spark plugs are another area of concern for the i20. Faulty plugs could cause engine damage due to not providing enough sparks to each cylinder. If left unchecked, a damaged spark plug can result in severe and costly engine damage.

Read More: https://www.thekeylab.co.uk/hyundai-car-keys/