How to Fix a Problem With Your Hyundai i20 Key Fob Hyundai i20 owners can to lock and unlock their vehicles remotely They can also start their vehicle in advance and monitor key fob functions via a mobile app using their smartphone However, at times, the key fob may stop functioning due to a reason This could be caused by a dead battery or water damage, or signal interference Battery Hyundai has created a smart key fob that can be used to perform a variety of remote functions, such as locking and unlocking your doors, starting your vehicle and even triggering the panic button It's an excellent feature for drivers, helping them save time and effort, but it can be challenging when the system isn't working properly If you're experiencing difficulty getting your Hyundai i20 key fob to perform as it should there are a few things you can do to resolve the issue The first step is to examine the battery Most smart key fobs are powered by a coin-cell battery, which can be easily replaced in just a few minutes This is the fastest and most affordable way to fix your problem Batteries for replacement are available at the majority of stores or on the internet Re-open the keyfob after installing the new battery to ensure that the battery is in the correct place and in contact with all the connections Take a picture or note the location of the battery that was removed from the circuit before removing it This will allow you to install the new battery in the same manner Most Hyundai smart key fobs are powered by a CR2032 battery which is found in many shops and online Close your key fob after you have installed the battery and test it Contacts If your Hyundai key fob suddenly stopped working and you did not drop it, there may be a problem in the internal chip The receiver module inside the car utilizes radio frequency signals to communicate with the remote If these signals are obstructed by nearby transmitters or objects, the key fob may cease to function properly Consider the Hyundai Digital key system if you're looking for a way to lock, unlock, and start your vehicle on your way to work in Reno This innovative keyless entry system is operated via an app for smartphones and lets you share Digital Key access with up to three additional people This can be useful when offering an individual a ride or when you leave your car with valet services A dead battery is the primary cause of a Hyundai i20's key fob not working It's time for a new battery if it shows signs of aging and is slow to operate or no response at all While replacing and opening the battery in your Hyundai key fob battery isn't difficult but there are some things to consider prior to beginning The first step is to take note of how the old battery is laid inside the circuit board or take a picture This will help you place the new battery in the same location Water Damage The rubber seals on the fob's key seal the chip from water If it survives a quick splash from a washing-machine or just a brief dip in a light drizzle it is unlikely to be damaged If you drop it into an ocean or pool, the water could penetrate the seals, causing damage to the circuit board This is an expensive repair The first step is to dry the key fob thoroughly This can be done in various ways You can place it in a bag with silica packets to absorb the moisture You could also use uncooked rice However, be cautious not to be near it while it's still damp This could contaminate the internal components Utilizing isopropyl alcohol or an electronic cleaner could also help in cleaning the contacts on the circuit board However, if the chip is fried then it's probably best to accept that you'll need a replacement key fob It is simple to replace the battery in your Hyundai key fob The procedure is usually not difficult You can follow an YouTube tutorial or your owner's manual to guide you through the process It's a good idea keep an extra key fob in hand so that you can continue driving your car while you wait for the key repair to arrive Fault Diagnosis If your check engine light is on and the fault code is present, it may be difficult to pinpoint the issue without the aid of a diagnostic scanner, typically referred to as an OBD 2 These can be purchased in Bluetooth versions that connect to your smartphone, or standard models that come with a reader attached One of the most frequent problems with i20s is the throttle position sensor TPS is damaged This sensor is accountable to measure 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 required A malfunctioning throttle sensor could result in sudden acceleration, RPM fluctuations and reduced engine performance Another issue common to the i20s is the malfunctioning transmission The transmission is a complex component with many gears that interlock to transfer power from the engine to the wheels The friction between the gears causes wear over time which can cause the transmission to fail Signs of a defective transmission include clunking or grinding noises and jerky acceleration The spark plugs on the i20 are another frequent problem area https//wwwg28carkeyscouk/hyundai-car-key-replacements-near-me/ with the plugs is that they can cause damage to engines by not giving enough sparks to each cylinder A damaged spark plug can cause costly and severe engine damage if ignored