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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 on their smartphone.

However, sometimes the key fob won't working for some reason. This 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 various remote functions like locking and unlocking your doors, starting your car and even activating the panic button. It's a fantastic feature for drivers and helps them save time and effort, however it can be a hassle if the system ceases to function properly. There are several things you can do to fix your Hyundai i20's key fob isn't functioning properly.

The first thing you need to do is to check the battery. Most smart key fobs use batteries that are coin-cell and can be replaced in just a few minutes. This is usually the fastest and most affordable way to fix the issue. Replacement batteries are available in the majority of stores or on the internet. Once you have a new battery, re-open the key fob to make sure the battery is in the right position and that it's making contact with all connections.

Make sure to capture a photograph or take a note of how to replace a hyundai key fob the old battery was placed in the circuit board prior removing it. This will help you install the new battery in the same way. Most hyundai key replacement smart key fobs utilize CR2032 batteries, available in a variety of stores or online. Once you have the battery installed close your key fob, and then test it to see if it's working again.

Contacts

If your Hyundai Elantra key replacement key fob stopped working completely out of the white of the night and you haven't lost it, you may be dealing with a faulty internal chip. The receiver module in your vehicle uses radio frequency signals to communicate with the remote control, therefore when this signal is affected by nearby transmitters or objects, it can cause the key fob to not function correctly.

Think about the Hyundai Digital Key system if you're looking to lock, unlock, and start your car during your commute in Reno. This advanced keyless entry system works with a smartphone app and lets you share Digital Key access with up to three others. This is useful if you give a friend an escort or leaving your vehicle in valet service.

A dead battery is the primary reason for a Hyundai i20's key fob not working. It's time to change the battery if it is showing signs of age, such as slow operation or no response at any time. Although replacing and opening the battery in your Hyundai key fob battery isn't a big deal but there are a few things you should know before beginning. Take a photo or take notes of how the old battery is placed within 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. So, if it is able to withstand the splash of water that comes from a washing machine or the brief submersion of rain, it's likely to not be damaged. However, if you've dropped it into the pool or the ocean, then the water may get through the seals and cause damage to the circuit board, which is costly to repair.

The first step is drying the key fob thoroughly. It is possible to do this in many ways. It can be placed in a bag with silica packets to absorb the moisture. You can also use uncooked rice Be careful not to touch it while it is still wet. This could lead to contamination of the internal components.

You can also clean the the circuit board using isopropyl or electronic cleaner. If the chip is damaged it is best to accept that you'll need to replace the key fob.

Replacing the battery on a Hyundai key fob is straightforward and usually not messy. You can refer to a YouTube tutorial or your owner's guide to guide you through the process. It's always a good idea keep a spare key fob on for you in case you need to continue to drive your car while waiting for the repair key to arrive.

Troubleshooting

If your check engine light is on and an error code is visible, it may be difficult to determine the issue without the aid of a diagnostic scanner, commonly referred to as an OBD 2. They are available in Bluetooth versions which connect to your phone or standard models with a reader attached.

One of the most frequent problems with i20s is that the throttle position sensor (TPS) becomes defective. The sensor is responsible for determining the opening angle of the throttle valve. This information is transmitted to the control unit and is used to the calculation of the amount of fuel needed. A malfunctioning throttle position sensor could cause a reduction in engine performance, jerky acceleration, and RPM fluctuations during driving.

Transmission problems are a common problem in i20s. The transmission is a complicated part that has a lot of gears that connect to transfer the power from the engine. The friction between the gears causes wear and tear over time, which could cause the transmission to fail. The sound of grinding or clunking and rapid acceleration that is jerky are signs of an unreliable gearbox.

Spark plugs are a different issue for the i20. Faulty spark plugs can damage the engine because they do not deliver the right amount of sparks to each cylinder. If they are not checked, a damaged spark plug could result in serious and costly engine damage.