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How to Fix a Problem With Your Hyundai i20 Key Fob Hyundai I20 vehicle owners can lock and unlock their cars remotely. They can also start their vehicle in advance and track the key fob's functions using a mobile application on their smartphone. Sometimes the key fob can stop working. This could be due to an unresponsive battery, water damage or signal interference. Battery Hyundai has developed the smart key fob for their vehicles. It allows you to perform a variety of remote-controlled functions, such as locking and unlocking doors, starting your vehicle, and even pressing a panic button. It's an ideal way to save time and energy for drivers, however it can be a hassle if the system doesn't function properly. There are a few options you can do in the event that your Hyundai i20's primary fob isn't functioning properly. The first thing you need to do is check the battery. The majority of smart key fobs utilize batteries that are coin-cell and is replaced in minutes. This is the simplest and cheapest solution to solve your issue. You can purchase replacement batteries in many stores and online. Once you have a new battery then re-open the key fob to ensure that the battery is in the right position and is in contact with all of the connections. Note down the position of the old battery in the circuit before you remove it. This will let you install the new battery the same way. Most Hyundai smart key fobs utilize CR2032 batteries, which can be found in a variety of stores or online. Once you have the battery installed close your 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 may be experiencing a malfunctioning internal chip. The receiver module inside the car utilizes radio frequency signals to communicate with the remote. If these signals are interrupted by nearby transmitters or objects the key fob could cease to function properly. If you're looking for a smart method to lock, unlock and start your vehicle during your Reno commute, look into the Hyundai Digital Key system. This advanced keyless system works via an app on your smartphone and allows you to share Digital Key access up to three persons. replacement key fob near me is useful if you are giving a friend a lift or leaving your vehicle with valet service. The most common reason for a Hyundai i20 key fob to cease working is the battery is dead. If yours is displaying indications of dying, such as slow operation or not responding at all it's time to replace the battery. While the process of replacing and opening the battery in your Hyundai key fob battery isn't difficult, there are a few points to be aware of prior to beginning. Take a picture or make notes of how the old battery is placed in the circuit board. This will allow you to place the new battery in the same place. Water Damage The rubber seals on the key fob protect the chip from water. Therefore, if it withstands a splash of water from a washing machine, or the brief submersion of rain it's unlikely to be damaged. If you drop it in an ocean or pool and the water sank into the seals, damaging the circuit board. This can be a costly repair. The first step is drying the key fob completely. You can do this in many ways. You can place it in a bag with silica packs to absorb the moisture. You can also use uncooked rice Be careful not to contact it while it's still damp. This could contaminate its internal components. Using isopropyl alcohol or an electronic cleaner can also be helpful in cleaning the contacts on the circuit board. If the chip is in danger of being damaged it's best to accept you'll need to replace the key fob. Replacing the battery on the Hyundai key fob is straightforward and usually not messy. You can follow a YouTube video tutorial to assist you with the process or refer to your owner's manual. It's a good idea to have an extra key fob in your side so that you can continue driving your vehicle while waiting for the repaired key to arrive. Troubleshooting If your check engine light is on and there is a fault code, it may be difficult to pinpoint the issue without the use of a diagnostic scanner, commonly referred to as an OBD 2. These are available in Bluetooth versions that connect to your phone or standard models that have readers that are connected to the socket. The throttle position sensor (TPS) located in the located in the i20, could become defective. The sensor is used to measure the opening angle of throttle valve. This information is transmitted to the control unit and contributes to the calculation of the amount of fuel required. A problem with the throttle position sensor could result in a decrease in engine performance, jerky acceleration and RPM variations when driving. Another issue common to the i20s is a faulty transmission. The transmission is a complicated part that has a lot of gears that connect to transfer the power from the engine. The friction between the gears causes wear and tear, which can cause the transmission to fail. The sound of grinding or clunking and rapid acceleration that is jerky are signs of a faulty gearbox. The spark plugs on the i20 are a different common issue area. Spark plugs that are defective can cause engine damage by not delivering enough sparks to every cylinder. If left unchecked, a damaged spark plug could result in serious and costly engine damage.