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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai i20 owners are able 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, occasionally the key fob might stop working due to some reason. This could be due an unresponsive battery or water damage, or signal interference.

Battery

Hyundai has created a smart key fob that is able to perform a variety of remote functions like locking and unlocking your doors, starting your vehicle and even activating the panic button. It's a fantastic feature for drivers and helps them save time and effort, but it can be a hassle if the system isn't working properly. If you're having difficulty getting your Hyundai i20 key fob to function properly there are a few things you can do to resolve the issue.

The first step is checking the battery. The majority of smart key fobs are powered by a coin-cell battery, which can be replaced in a matter of minutes. This is the fastest and cheapest way to fix the issue. Replacement batteries are available in the majority of stores or on the internet. Re-open the keyfob after installing the new battery in order to confirm that the battery is in its correct position and is in contact with all the connections.

Take a picture or note the position of the old battery within the circuit before taking it out. This will help you replace the battery the same way. Most Hyundai smart key fobs utilize CR2032 batteries, available in most stores or on the internet. Close your key fob after you have installed the battery and then test it.

Contacts

If your Hyundai key fob stopped working completely out of the blue and you haven't dropped it, you may be dealing with a defective internal chip. The receiver module in your vehicle utilizes radio frequency signals to communicate with the remote control, therefore in the event that this signal is disrupted by nearby transmitters or objects, it may cause the key fob to not function correctly.

Think about the Hyundai Digital Key system if your goal is to lock, unlock, and start your car during your commute in Reno. This innovative keyless entry system operates via an app for smartphones and allows sharing Digital Key access with up to three others. This is useful when you're giving a friend the opportunity to take a ride or leaving your vehicle for valet services.

A dead battery is the most frequent reason for an Hyundai i20's key fob not functioning. If yours is showing signs of dying, like 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 repair key fob battery isn't a big deal but there are a few things to consider prior to beginning. Take a picture or make note of how the old battery is laid within the circuit board. This will help you place the new battery in the same position.

Water Damage

The key fob features rubber seals that protect the chip's electronic components from water. If it can withstand a brief splash from a washing-machine, or a brief immersion in a light rain, it is unlikely to be damaged. If you've dropped it into the pool or ocean then the water could get into the seals and cause damage to the circuit board, which is expensive to repair.

The first step is drying the key fob completely. This can be accomplished in many ways. It can be placed in a bag with silica packs to absorb the moisture. Alternately, you can use uncooked rice but it's important not to touch the key fob while it's still wet as it could cause contamination to the internal components.

The use of isopropyl alcohol, or an electronic cleaner could also be helpful in cleaning the contacts on the circuit board. If the chip is fried and you suspect it, you'll have to replace the key fob.

It's easy to replace the battery in your Hyundai key fob. The process is usually simple. You can follow a YouTube tutorial or your owner's manual guide you through the process. It's a good idea to keep an extra key fob in case you can drive your vehicle while waiting for the repaired key.

Fault Diagnosis

If your check engine light comes on and an error code is visible, it can be difficult to identify the issue without the use of a diagnostic scanner often referred to as an OBD 2. They are available in Bluetooth versions that connect to your phone or standard models that have an attached reader to the socket.

The throttle position sensor (TPS), which is located in the i20, could become defective. This sensor is used to determine the opening angle of throttle valve. This information is transmitted to a control unit, which aids in calculating the amount of fuel needed. A malfunctioning throttle sensor could cause sudden acceleration, RPM fluctuations and reduced engine performance.

Transmission issues are another frequent problem in i20s. The transmission is a complex component that has many gears that interlock to transfer power from the engine to wheels. As time passes the friction between gears can lead to transmission failure. Sounds of grinding or clunking as well as the jerky acceleration can be signs of the gearbox being damaged.

Spark plugs are yet another issue for the i20. Spark plugs that are defective can cause damage to the engine because they do not deliver the correct amounts of sparks to each cylinder. If left unchecked the damaged spark plug could cause serious and costly engine damage.