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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 ahead of time and check key-fob functionality using an application for mobile devices on their smartphone.

However, sometimes the key fob might stop working due to some reason. This could be due to an unresponsive battery or 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 car and even activating the panic button. It's a great way to save time and energy for drivers, however it can be a hassle if it doesn't work as intended. There are a few options you can do in the event that your Hyundai i20's primary fob is not working properly.

The first thing to do is check the battery. Most smart key fobs are powered by a coin cell battery, that can be replaced in just a few minutes. This is the simplest and most affordable way to fix the issue. You can buy replacement batteries in most stores and on the internet. Re-open the keyfob after installing the new battery to verify that the battery is in the right position and in contact with all connections.

Note down the position of the old battery within the circuit before removing it. This will help you install the new battery the same way. The majority of Hyundai smart keyfobs use the CR2032 batteries, which are available in most shops or online. Once you have the battery installed, close up your key fob, and then test it to verify if it's functioning again.

Contacts

If your Hyundai key fob suddenly stopped working and you didn't 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  lost  are obstructed by nearby transmitters, or objects the key fob might stop working properly.

Think about the Hyundai Digital key system if you're looking for a way to lock, unlock, and start your vehicle while you commute to Reno. This innovative keyless system functions via an app that you can install on your smartphone. It allows you to share Digital Key access up to three persons. This is useful when you offer a friend a ride or when you leave your car with valet services.

The most frequent reason for a Hyundai i20 key fob to cease working is a dead battery. It's time for a new battery if yours shows signs of age and is slow to operate or no response at all. While replacing the Hyundai keyfob's battery isn't difficult, you must be aware of a few things before beginning. Take a picture or make notes of how the old battery is placed in the circuit board. This will help you put the new battery in the same location.

Water Damage

The rubber seals on the key fob shield the chip's electronic components from water. If it can withstand the splash of water from a washer or a brief submersion in light rain it's unlikely to be damaged. If you've dropped it into the pool or ocean then the water can penetrate the seals and cause damage to the circuit board, which can be costly to repair.

The first step is drying the key fob completely. It is possible to do this in a variety of ways. You can place it in a bag along with silica bags to absorb the moisture. You could also use uncooked rice Be careful not to be near it while it's still wet. This could cause contamination to the internal components.

Utilizing isopropyl alcohol or an electronic cleaner can also help in cleaning the contacts on the circuit board. If the chip is fried, it's best to accept you'll have to replace the key fob.

Replacing the battery on the Hyundai key fob is straightforward and generally not messy. You can follow a YouTube tutorial video to help you with the process or consult the owner's manual. It's a good idea keep an extra key fob in hand so that you can continue to drive your car while you wait for the repaired key to arrive.

Troubleshooting

If your check engine light is on and there is a fault code, it can be difficult to pinpoint the issue without the help of a diagnostic scanner commonly referred to as an OBD 2. These are available in Bluetooth versions that connect to your phone or standard models that come with a reader attached.

The throttle position sensor (TPS) is located within the i20, may become defective. The sensor is responsible for measuring the opening angle of the throttle valve. This information is passed to the control unit and is used to the calculation of the amount of fuel needed. A malfunctioning throttle sensor can result in abrupt acceleration, erratic RPM changes and decreased engine performance.

Transmission issues are another frequent problem in the i20s. The transmission is a complicated component that has many gears that mesh together to transfer power from the engine to wheels. The friction between the gears leads to wear and tear over time, which could cause the transmission to fail. The signs of a damaged transmission include clunking or grinding noises and jerky acceleration.

Spark plugs are a different aspect to be concerned about for the i20. Spark plugs that are defective can cause damage to the engine by not delivering the right amount of sparks to each cylinder. If not checked a damaged spark plug can result in severe and costly engine damage.