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How to Fix a Problem With Your Hyundai i20 Key Fob Hyundai I20 owners can lock and unlock their vehicles remotely. They can also start the vehicle ahead of time and check key fob functions via an app on their smartphone. Sometimes hyundai i10 replacement key can cease to function. It could be due to a dead battery, water damage, or signal interference. Battery Hyundai has created the smart key fob for their vehicles that allows you to use a variety of remote functions including locking and unlocking doors, starting your vehicle, and even triggering a panic button. It's a great way to save time and energy for drivers, however it can be frustrating when it doesn't work as intended. If you're struggling to get your Hyundai i20 key fob to work properly there are a few things you can try to solve the issue. The first step is to check the battery. The majority of smart key fobs have the coin cell battery which is replaced in minutes. This is usually the quickest and most affordable way to solve the issue. Replacement batteries are readily available in many stores or online. Re-open the keyfob after installing the new battery in order to confirm that the battery is in its correct place and in contact with all the connections. Make sure to capture a photograph or take a note of where the previous battery was placed in the circuit board prior removing it. This will allow you to install the new battery the same way. The majority of Hyundai smart key fobs utilize CR2032 batteries, which can be found in most shops or online. Once you have the battery in place close your key fob, and then test it to verify if it's functioning again. Contacts If your Hyundai key fob stopped working completely out of the black and white, and you've still not lost it, you may be dealing with a defective internal chip. The receiver module inside the car utilizes radio frequency signals to communicate with the remote. If these signals are interfered with by nearby transmitters, or other objects, the key fob may stop working properly. If you're looking to find a clever method to lock, unlock, and start your car during your Reno commute, consider the Hyundai Digital Key system. The advanced keyless system operates with an app on your smartphone. It enables you to share Digital Key access up to three people. This is useful if you're giving a friend the opportunity to take a ride or leaving your vehicle in valet service. A dead battery is the primary reason for the Hyundai i20's key fob not functioning. 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 and opening the battery in your Hyundai key fob battery isn't a big deal but there are a few things to consider prior to starting. Take a picture or make an outline of the way that the old battery is placed in the circuit board. This will enable you to place the new battery in the same position. Water Damage The key fob comes with rubber seals to shield the chip inside from water. So, if it survives the splash of water that comes from a washer or a brief submersion in light rain, it's unlikely to get damaged. If you dropped it in an ocean or pool the water could get into the seals, causing damage to the circuit board. This can be a costly repair. The first step is to dry the key fob thoroughly. This can be accomplished in a variety of ways. It can be placed in a bag along with silica bags to absorb the moisture. You could also use uncooked rice, but be careful not to be near it while it's still wet. This could contaminate the internal components. Using isopropyl alcohol or an electronic cleaner may also be helpful in cleaning the contacts on the circuit board. However, if the chip is fried then it's best to accept that you'll require a new key fob. It is easy to replace the battery in your Hyundai key fob. The procedure is usually not difficult. You can follow a YouTube tutorial video to help you with the procedure or refer to the owner's manual. It's a good idea have an extra key fob in hand so that you can continue driving your vehicle while waiting for the repair key to arrive. Diagnostics of a fault It can be difficult to determine the cause of a problem when your check engine light comes on and you have a fault-code. This is the reason why an OBD diagnostic scanner is usually known as an OBD 2 (or OBD 2 in the UK). These are available in Bluetooth models that connect to your mobile or standard models with an OBD 2 reader that is connected to the socket. The throttle position sensor (TPS), which is located in the i20, could fail. This sensor is used to measure the opening angle of throttle valve. The data is sent to the control unit, which aids in calculating the amount of fuel needed. A problem with the throttle position sensor could result in lower engine performance, jerky acceleration, and RPM fluctuations when driving. Transmission issues are another frequent issue in the i20s. The transmission is a complex component that has many gears that connect to transfer power from the engine to the wheels. In time the friction between gears could cause the transmission to suffer failure. Grinding or clunking sounds and rapid acceleration that is jerky are signs of an inefficient gearbox. The spark plugs in the i20 are a second common problem area. Faulty plugs can cause damage to engines by not giving enough sparks to each cylinder. If not checked the damaged spark plug could result in serious and costly engine damage.