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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai i20 owners can lock and unlock their cars remotely. They can also start their vehicle in advance and monitor the functions of their key fob via a mobile app using their smartphone.

Occasionally the key fob may stop working. This could be caused by an unresponsive battery, water damage, or even signal interference.

Battery

Hyundai has developed the smart key fob for their vehicles, which allows users to perform a variety of remote functions like locking and unlocking doors, starting your vehicle, and even pressing the panic button. It's a wonderful feature for drivers to save time and effort, however it can be challenging when the system stops working correctly. There are a few options you can do when your Hyundai i20's main fob is not working properly.

The first step is to examine the battery. Most smart key fobs use the coin cell battery which can be replaced in just a few minutes. This is the simplest and cheapest solution to solve your issue. It is possible to purchase replacement batteries in many stores as well as online. Re-open the keyfob after installing the new battery to ensure that the battery is in the proper position and in contact with all connections.

Make sure to snap a photo or take a note of where the previous battery was positioned on the circuit board before removing it. This will let you install the new battery the same way. The majority of Hyundai smart key fobs use the CR2032 battery that is available in many stores and on the internet. Close your key fob after installing the battery and testing it.

Contacts


If your Hyundai key fob has stopped working completely out of the black and white, and you've still not lost it, you may be dealing with a defective internal chip. The receiver module in your vehicle uses a radio frequency signal to communicate with the remote control, therefore when this signal is interfered with by nearby transmitters or objects, it may cause the key fob to not function properly.

If you're looking to find a clever method to lock, unlock and start your car during your Reno commute, look into the Hyundai Digital Key system. This innovative keyless system functions via an app on your smartphone, allowing you to share Digital Key access up to three persons. This is useful when you're giving someone a lift or leaving your vehicle for valet services.

A dead battery is the primary reason for the Hyundai i20's key fob not working. If yours is displaying symptoms of dying, like slow operation or not responding at all, it's time to replace the battery. Although the process of replacing the Hyundai keyfob's battery isn't difficult, you must be aware of a few points prior to starting. Take a photo or make an outline of the way that the old battery is laid in the circuit board. This will assist you in placing the new battery in the same position.

Water Damage

The key fob features rubber seals to protect the chip's electronics from water. So, if it is able to withstand the splash of water from a washing machine or even a brief immersion in light rain, it's not likely to be damaged. If you've dropped it in the pool or ocean then 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. It can be done in many ways. You can place it in a plastic container with silica gel packs that will suck the moisture out of it. You can also use rice that is not cooked however, be careful not to contact it while it's still wet. This could cause contamination to the internal components.

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

Replacing the battery in the Hyundai key fob is easy and usually not messy. You can follow a YouTube video tutorial to help you with the process or consult the owner's manual. It's a great idea keep a spare key fob so you can drive around in your vehicle while waiting for your repaired key.

Diagnostics of a fault

If your check engine light is on and a fault code is present it can be difficult to determine the issue without the help of a diagnostic scanner commonly referred to as an OBD 2. These are available in Bluetooth versions which connect to your smartphone, or standard models that have an integrated reader.

The throttle position sensor (TPS), which is located in the i20, could become defective. hyundai i20 key fob www.thekeylab.co.uk is used to determine the opening angle of throttle valve. The data is sent to the control unit that helps calculate the amount of fuel required. A malfunctioning throttle sensor could result in abrupt acceleration, erratic RPM changes and a reduction in engine performance.

Transmission problems are a common issue with i20s. The transmission is a complex component with many gears that connect to transfer power from the engine to the wheels. The friction between the gears causes wear and tear that 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 a different common issue area. Faulty plugs can cause engine damage through not sending enough sparks to every cylinder. A damaged spark plug could cause costly and severe engine damage if not properly checked.

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