How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai i20 vehicle owners can lock and unlock their cars remotely. They can also start the vehicle ahead of time and monitor the key fob's functions using an application for mobile devices on their smartphone.

However, sometimes the key fob won't functioning for a reason. It could be due to an unresponsive battery, water damage, or even 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 car and even triggering the panic button. It's an excellent way to cut down on time and energy for drivers, however it can be frustrating when it doesn't work as intended. There are a few options you can do in the event that your Hyundai i20's primary fob isn't working correctly.

The first thing to do is check the battery. Most smart key fobs make use of an internal battery that can be replaced in a matter of minutes. This is usually the fastest and most affordable method to fix the issue. You can purchase replacement batteries in many stores and online. Re-open the keyfob after installing the new battery to ensure that the battery is in the proper location and that it is in contact with all connections.

Make sure to snap a photo or take a note of the way in which the old battery was placed on the circuit board prior removing it. This will help you install the new battery in the same way. The majority of hyundai i10 remote key replacement smart key fobs have batteries that are CR2032, which are found in many shops and on the internet. Close your key fob after you have installed the battery and test it.

Contacts

If your Hyundai keyfob suddenly stopped working and you weren't able to drop it, it could be a problem with the internal chip. The receiver module in your vehicle uses a radio frequency signal to communicate with the remote control, so if this signals are being interfered with by nearby transmitters or objects, it can cause the key fob to stop functioning correctly.

Consider 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 advanced keyless system operates through an app on your smartphone. It allows you to share Digital Key access up to three people. This is useful if you're giving someone a lift or leaving your vehicle with valet services.

The most frequent reason for a Hyundai i20 key fob to stop working is a dead battery. If yours is displaying signs of dying, such as slow operation or not responding at all, it's time to replace the battery. Although opening and replacing your Hyundai key fob battery isn't difficult but there are a few things to consider prior to beginning. The first step is to take note of the way that the old battery is laid inside the circuit board or take a photo. This will allow you to place the new battery in the same spot.

Water Damage

The key fob comes with rubber seals that protect the chip inside from water. If it survives a quick splash from a washing machine, or an unintentional dip in light rain, it is unlikely to be damaged. If you've dropped it in the pool or in the ocean, the water may get through the seals and damage the circuit board, which can be costly to repair.

The first step is to dry the key fob completely. This can be done in a variety of ways. It can be placed in a bag with silica packs to absorb the moisture. You could also use uncooked rice Be careful not to touch it while it is still wet. This could cause contamination to its internal components.

You can also clean the contacts of the circuit board using isopropyl or electronic cleaner. However, if the chip is fried then it's likely that you'll need a replacement key fob.

Replacing the battery on a Hyundai key fob is easy and usually not very messy. You can follow a YouTube tutorial video to help you through the process or consult your owner's manual. It's a great idea keep an extra key fob to ensure you can use your vehicle while waiting for your key to be repaired.

Troubleshooting

If your check engine light comes on and a fault code is present it can be difficult to pinpoint the issue without the aid of a diagnostic scanner, typically referred to as an OBD 2. These are available in Bluetooth models that connect to your mobile or standard models that have an attached reader to the socket.

One of the most frequent issues with i20s is the throttle position sensor (TPS) develops a fault. The sensor is responsible for measuring the opening angle of the throttle valve. The information is then sent to the control unit, and contributes to the calculation of the amount of fuel required. A malfunctioning throttle sensor can cause jerky acceleration, RPM fluctuations and a reduction in engine performance.

Transmission issues are another frequent issue for i20s. The transmission is a complex part with a variety of gears that work together to transfer power from the engine to wheels. The friction between the gears cause wear and tear, which can cause the transmission to fail. Clanging or grinding sounds as well as the jerky acceleration can be signs of the gearbox being damaged.

Spark plugs are a different aspect to be concerned about for the i20. Faulty plugs could cause engine damage due to not providing enough sparks to each engine. A damaged spark plug could cause costly and serious engine damage if not properly checked.