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How to Fix a Problem With Your Hyundai i20 Key Fob Hyundai i20 owners can lock and unlock their cars remotely. They can also start their vehicle ahead of time and monitor key fob function through a mobile application on their smartphones. However, occasionally the key fob won't functioning due to a reason. This could be due to a dead battery water damage or signal interference. Battery Hyundai has developed 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 a fantastic feature for drivers, helping them save time and effort, however it can be challenging when the system ceases to function properly. If you're having trouble getting your Hyundai i20 key fob to function correctly There are several options you can do to solve the issue. The first step is checking the battery. The majority of smart key fobs are powered by a coin-cell, which can be easily replaced within minutes. This is usually the fastest and most affordable method to fix the problem. You can buy replacement batteries at most shops and also online. Re-open the keyfob after installing the new battery to verify that the battery is in the correct place and in contact with all the connections. Be sure to take a picture or make a note of how the old battery was placed on the circuit board prior to removing it. This will allow you to install the new battery in the same way. The majority of Hyundai smart keyfobs are equipped with CR2032 batteries, which can be found in most shops or online. Once you have the battery in place and closed, you can close the key fob and check to verify if it's functioning again. Contacts If your Hyundai key fob stopped working out of the blue and you haven't dropped it, you could have a problem with an internal chip. The receiver module in the car utilizes radio frequency signals to communicate with the remote. If these signals are interrupted by nearby transmitters, or other objects the key fob might not function properly. Take a look at the Hyundai Digital Key system if you're looking for a way to lock, unlock and start your car while you commute to Reno. This advanced keyless entry system is operated via a smartphone app and lets you share Digital Key access with up to three others. This is useful if you are giving a friend a lift or leaving your vehicle with valet service. The most frequent reason for the Hyundai i20 key fob to cease working is the battery is dead. If yours is showing indications of dying, such as slow operation or not responding at all it's time to replace the battery. While replacing your Hyundai keyfob's battery isn't difficult, you should be aware of certain things prior to starting. Take a photo or make notes of how the old battery is placed inside the circuit board. This will allow you to place the new battery in the same place. Water Damage The key fob comes with rubber seals that protect the chip's electronic components from water. So, if it is able to withstand the splash of water that comes from a washing machine or the brief submersion of rain it's unlikely to be damaged. If you drop it into the ocean or in a pool, the water could penetrate the seals, causing damage to the circuit board. G28 Car Keys Solutions can be a costly repair. The first step is to dry the key fob completely. This can be done in a variety of ways. It can be placed in a bag with silica packets to absorb the moisture. Or, you could use uncooked rice but it's important not to contact the key fob when it's still moist because this could contaminate the internal components. You can also clean the contacts of the circuit board using isopropyl or electronic cleaner. If the chip is fried it is best to accept that you'll have to replace the key fob. It is simple to replace the battery in your Hyundai key fob. The process is usually not messy. You can follow an YouTube video tutorial to assist you with the procedure or refer to the owner's manual. It is a good idea to keep a spare key fob on your side so that you can continue driving your car while waiting for the replacement key to arrive. Troubleshooting It can be difficult to diagnose problems if your check engine light is on and you have a fault code. This is the reason why a diagnostic scanner is often known as an OBD 2 (or OBD 2 in the United Kingdom). These can be purchased in Bluetooth versions that connect to your phone, or standard models that come with an integrated reader. One of the most common problems with i20s is the throttle position sensor (TPS) is damaged. The sensor is responsible for measuring the opening angle of the throttle valve. This information is sent to the control unit, and contributes to the calculation of the amount of fuel needed. A problem with the throttle position sensor could cause a reduction in engine performance, jerky acceleration and RPM fluctuations while driving. Transmission issues are another frequent issue for the i20s. The transmission is a complex component that contains a number of gears which mesh together to transfer the power from the engine. The friction between the gears cause wear and tear that can cause the transmission to fail. Clanging or grinding sounds as well as rapid acceleration that is jerky are signs of an inefficient gearbox. The spark plugs inside the i20 are a second common problem area. The problem with defective spark plugs is that they can harm the engine because they do not deliver the right amount of sparks to the cylinders. A damaged spark plug can cause costly and severe engine damage if not properly checked.