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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 through a mobile application using their smartphone.

Sometimes the key fob may cease to function. This 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 a variety of remote functions, including locking and unlocking your doors, starting your vehicle and even activating the panic button. It's a great way to save time and energy for drivers, however it can be frustrating when the system doesn't function properly. There are several things you can do if your Hyundai i20's key fob isn't working properly.

The first thing you need to do is to check the battery. Most smart key fobs make use of batteries that are coin-cell and is easily replaced in minutes. This is typically the fastest and most affordable method to solve the issue. You can purchase replacement hyundai key fob batteries in many stores and online. Once you have a new battery in place open the key fob to ensure that the battery is in the correct position and that it is in contact with all connections.

Make sure you take a picture or make a note of how the old battery was positioned in the circuit board prior removing 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 testing it.

Contacts

If your Hyundai key fob stopped working out of the white of the night and you haven't lost it, you could be dealing with a faulty internal chip. The receiver module inside your vehicle uses a radio frequency signal to communicate with the remote control, so when this signal is disrupted by nearby transmitters or objects, it may cause the key fob to stop functioning correctly.

Consider the Hyundai Digital Key system if you want to lock, unlock, and start your car during your commute in Reno. This innovative keyless system functions via an app on your smartphone and allows you to share Digital Key access up to three persons. This is useful when you're giving someone the opportunity to ride with you or leave your vehicle with valet services.

The most frequent reason for the Hyundai i20 key fob to cease working is a dead battery. If yours is displaying signs of dying, like slow operation or not responding at all it's time to replace the battery. While opening and replacing your Hyundai key fob battery isn't too difficult but there are a few things to know prior to beginning. The first step is to take note of where the old battery is laid on the circuit board or take a photograph. This will enable you to place the new battery at the same place.

Water Damage

The key fob comes with rubber seals to shield the chip's electronics from water. Therefore, if it withstands the splash of water that comes from a washer or a brief submersion in light rain, it's unlikely to get damaged. If you drop it in the pool or in the ocean, the water can penetrate the seals and cause damage to the circuit board, which is costly to repair.

The first step is drying the key fob completely. This can be done in many ways. You can put it in a bag along with silica packets to soak up the moisture. Alternately, you can use rice that has not been cooked, but it is crucial not to contact the key fob when it's still wet as it could cause contamination to the internal components.

You can also clean the the circuit board by using isopropyl or electronic cleaner. If the chip has gone bad, it's best to accept you'll have to replace the key fob.

It is easy to change the battery on your Hyundai key fob. The process is typically simple. You can refer to an YouTube tutorial or your owner's manual guide you through the process. It's a good idea to keep an extra key fob in the go so that you are able to continue driving your vehicle while you wait for the repaired key to arrive.

Diagnostics of a fault

It isn't easy to pinpoint a problem if your check engine light comes on and you have a fault-code. This is why the diagnostic scanner is commonly called an OBD 2 (or OBD 2 in the United Kingdom). These can be purchased in Bluetooth models that connect to your phone, or standard models with an integrated reader.

The throttle position sensor (TPS), which is located within the i20, may become damaged. This sensor is accountable to determine the opening angle of the throttle valve. This information is sent to the control unit and is used 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 fluctuations when driving.

Another problem that is frequently found in i20s is the faulty transmission. The transmission is a complex component with many gears that mesh together to transfer power from the engine to wheels. As time passes friction between gears can cause the transmission's failure. Sounds of grinding or clunking as well as the jerky acceleration can be signs of a faulty gearbox.

The spark plugs in the i20 are a second common problem area. The problem with the plugs is that they could cause engine damage due to not giving enough sparks to each engine. A damaged spark plug can cause costly and severe engine damage if not properly checked.