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How to Fix a Problem With Your Hyundai i20 Key Fob

hyundai key fobs I20 owners can lock and unlock their vehicles remotely. They can also start their vehicle before time and monitor key fob function through a mobile application on their smartphone.

However, occasionally the key fob may stop working due to some reason. It could be due to a dead battery, 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 an excellent feature for drivers and helps them save time and effort, but it can be a challenge when the system doesn't function properly. There are a few things you can do to fix your Hyundai i20's key fob isn't working correctly.

The first step is checking the battery. Most smart key fobs use the coin cell battery which can be replaced in a matter of minutes. This is the simplest and cheapest way to fix the issue. Batteries for replacement are available at all stores and online. After you have put the new battery open the key fob to make sure the battery is sitting in the proper position and that it's in contact with all connections.

Make sure to snap a photo or take a note of how the old battery was placed in the circuit board prior to removing it. This will assist you in installing the new battery in the same manner. Most Hyundai smart key fobs use batteries that are CR2032, which are sold in a variety of shops and online. Once you have the battery installed, close up your key fob and then test it to see if it's working again.

Contacts

If your Hyundai spare key hyundai fob stopped working completely out of the blue and you've not dropped it, you could be dealing with a faulty internal chip. The receiver module in your vehicle relies on radio frequency signals to communicate with the remote control, therefore when this signal is interfered with by nearby transmitters or objects, it might cause the key fob's functionality to cease properly.

If you're looking for an efficient way to unlock, lock and start your vehicle during your Reno commute, look into the Hyundai Digital Key system. This advanced keyless system operates via an app on your smartphone. It allows you to share Digital Key access up to three persons. This can be helpful when offering a friend a ride or when leaving your car with valet services.

A dead battery is the most frequent reason for a hyundai smart key replacement i20's key fob not functioning. It's time for a new battery if the one you have is showing signs of age, such as slow operation or no response at all. Although replacing and opening your Hyundai key fob battery shouldn't be difficult, there are a few things to know prior to beginning. Make a sketch or notes of how the old battery is laid in the circuit board. This will enable you to place the new battery in the same position.

Water Damage

The key fob features rubber seals to shield the chip's electronics from water. So, if it is able to withstand an accidental splash of water from a washing machine or a brief submersion in light rain, it's not likely to be damaged. If you've dropped it in the pool or in the ocean, the water could get into the seals and damage the circuit board, which is expensive to repair.

The first step is drying the key fob thoroughly. This can be done in several ways. You can place it in a bag along with silica bags to absorb the moisture. You can also cook rice uncooked however, be careful not to touch it while it's still wet. It could be contaminated by the internal components.

Using isopropyl alcohol or an electronic cleaner could also be helpful in cleaning the contacts on the circuit board. However, if the chip has been damaged, it's probably best to accept that you'll require a new key fob.

It is simple to replace the battery in your Hyundai key fob. The process is usually not messy. You can follow a YouTube video tutorial to help you with the process or refer to your owner's manual. It's a good idea keep an extra key fob on hand so you can drive your vehicle while you wait for the repaired key.

Troubleshooting

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

The throttle position sensor (TPS), which is located in the i20, could become defective. This sensor is responsible for measuring the opening angle of the throttle valve. The information is then sent to the control unit, which is used to calculate the amount of fuel needed. A problem with the throttle position sensor could cause a reduction in engine performance, jerky acceleration and RPM fluctuations when driving.

Transmission problems are another common problem in i20s. The transmission is a complicated component with many gears that connect to transfer power from the engine to wheels. The friction between the gears cause wear and tear that can cause the transmission to fail. Clanging or grinding sounds as well as an acceleration that is jerky can indicate the gearbox being damaged.

The spark plugs on the i20 are another common problem area. Spark plugs that are defective can cause damage to the engine by not delivering the correct amounts of sparks to the cylinders. A damaged spark plug can result in costly and serious engine damage if not properly checked.