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How to Fix a Problem With Your Hyundai i20 Key Fob Hyundai i20 vehicle owners can lock and unlock their vehicles remotely. They can also start their vehicle in advance and track key-fob functions through an app on their smartphone. Occasionally the key fob may cease to function. It could be due to a dead battery water damage or signal interference. Battery Hyundai has developed a smart key fob that is able to perform various remote functions like locking and unlocking your doors, starting your vehicle and even activating the panic button. It's an ideal way to save time and energy for drivers, however it can be a hassle if it doesn't work as intended. If you're having difficulty getting your Hyundai i20 key fob to work properly There are a variety of things you can try to solve the issue. The first thing you need to do is check the battery. Most smart key fobs are powered by a coin-cell battery, which can be easily replaced within minutes. This is the simplest and most affordable way to fix your problem. It is possible to purchase replacement batteries in many stores and online. After you have put the new battery in place and you have it open, check to make sure the battery is in the correct place and that it's making contact with all of the connections. Take a picture or note the position of the battery that was removed from the circuit before you remove it. This will allow you to install the new battery in the same way. Most Hyundai smart keyfobs are equipped with CR2032 batteries, available in a variety of stores or online. Close your key fob after installing the battery and test it. Contacts If your Hyundai keyfob suddenly stopped working and you haven't dropped it, there may be a problem in the internal chip. The receiver module inside the car uses 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 correctly. Consider the Hyundai Digital key system if you're looking to lock, unlock and start your car during your commute in Reno. hyundai i20 car key replacement advanced keyless entry system is operated via an app for smartphones and allows you to share Digital Key access with up three other people. This is useful when giving an individual a ride or when you are leaving your car using valet services. A dead battery is the most frequent cause of a Hyundai i20's key fob not functioning. It's time for a new battery if it shows signs of age, such as slow operation or no response at all. Although replacing and opening your Hyundai key fob battery isn't too difficult but there are some points to be aware of prior to beginning. Take a picture or make notes of how the old battery is laid on the circuit board. This will enable you to put the new battery in the same position. Water Damage The rubber seals on the key fob guard the chip's electronic components from water. If it survives a quick splash from a washing machine, or an a short immersion in a light drizzle it is unlikely to be damaged. If you drop it into a pool or ocean it could be damaged by the water. the seals, damaging the circuit board. This is a costly repair. The first step is drying the key fob completely. This can be accomplished in a variety of ways. It can be placed in a plastic bag with silica gel bags that will absorb the moisture out of it. You could also use uncooked rice however, be careful not to be near it while it's still damp. This could cause contamination to its internal components. Using alcohol such as isopropyl or an electronic cleaner could also be helpful in cleaning the contacts on the circuit board. If, however, the chip is damaged, it's likely that you'll require a replacement key fob. It's simple to replace the battery in your Hyundai key fob. The process is typically not messy. You can use an YouTube tutorial or your owner's manual guide you through the procedure. It's a great idea keep an extra key fob on hand so you can drive your vehicle while waiting for the repaired key. Troubleshooting It can be difficult to diagnose a problem if your check engine light comes on and you have a fault-code. This is why an OBD diagnostic scanner is usually called an OBD 2 (or OBD 2 in the UK). They are available in Bluetooth models that connect to phones or standard models with an attached reader to the socket. One of the most common problems with i20s is the throttle position sensor (TPS) is damaged. The sensor is used to determine the opening angle of throttle valve. This information is transmitted to the control unit and is used to the calculation of the amount of fuel required. A malfunctioning throttle position sensor can result in a decrease in engine performance, jerky acceleration and RPM fluctuations during driving. Transmission issues are another frequent issue in the i20s. The transmission is a complex component that contains a number of gears which mesh together to transfer power from the engine. The friction between the gears causes 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 unreliable gearbox. The spark plugs of the i20 are a second common problem area. Faulty spark plugs can damage the engine by not delivering the correct amounts of sparks to the cylinders. A damaged spark plug can cause expensive and serious engine damage if not properly checked.