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How to Fix a Problem With Your Hyundai i20 Key Fob
Hyundai I20 owners can lock and unlock their vehicles remotely. They can also start the vehicle ahead of time and monitor key-fob functionality using an app for their smartphone.
Sometimes, the key fob will cease to function. It could be due to an unresponsive battery, water damage or signal interference.
Battery
Hyundai has developed a smart key fob that can be used to perform various remote functions, such as locking and unlocking your doors, launching your car and even activating the panic button. hyundai key replacement 's an excellent way to save time and energy for drivers, but can be frustrating when the system doesn't function properly. There are several things you can do when your Hyundai i20's main fob isn't working properly.
The first thing you need to do is check the battery. The majority of smart key fobs are powered by a coin-cell battery, which can be replaced in just a few minutes. This is typically the fastest and most affordable method to fix the problem. You can find replacement batteries in most shops and also online. After you have put the new battery in place, re-open the key fob to make sure the battery is sitting in the proper position and that it's in contact with all of the connections.
Take a photo or note the location of the old battery within the circuit before removing it. This will help you replace the battery the same way. Most Hyundai smart keyfobs have CR2032 batteries, which are available in most shops or online. Close your key fob after installing the battery and testing it.
Contacts
If your Hyundai key fob suddenly stopped working and you haven't dropped it, there could be a problem with the internal chip. The receiver module in the car utilizes radio frequency signals to communicate with the remote. If the signals are disrupted by nearby transmitters, or other objects the key fob could stop working correctly.
If you're looking for an efficient method to lock, unlock, and start your car during your Reno commute, look into the Hyundai Digital Key system. The advanced keyless system operates via an app on your smartphone and allows you to share Digital Key access up to three persons. This is useful when you offer someone else a ride, or when you leave your car with valet services.
A dead battery is the primary cause of a Hyundai 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 any time. While replacing your Hyundai keyfob battery is not difficult, you must be aware of a few points before beginning. Make a sketch or note of how the old battery is laid in the circuit board. This will help you put the new battery in the same position.

Water Damage
The key fob is fitted with rubber seals to shield the chip inside 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 likely to not be damaged. If you drop it in an ocean or pool and the water sank into the seals, causing damage to the circuit board. This is a costly repair.
The first step is drying the key fob thoroughly. It can be done in a variety of ways. It can be placed in a bag with silica packets to soak up the moisture. You can also cook rice uncooked however, be careful not to touch it while it's still damp. This could contaminate the internal components.
You can also clean the contacts of the circuit board by using isopropyl or electronic cleaner. If the chip is in danger of being damaged, it's best to accept you'll have to replace the key fob.
It's simple to change the battery on your Hyundai key fob. The process is usually not difficult. You can refer to a YouTube tutorial or your owner's guide to guide you through the process. It's a good idea keep an extra key fob on hand so you can drive your car while you wait for your repaired key.
Troubleshooting
It isn't always easy to identify a problem if your check engine light is illuminated and you have a fault-code. This is the reason why an OBD diagnostic scanner is usually called an OBD 2 (or OBD 2 in the United Kingdom). These are available in Bluetooth models that connect to your smartphone, or standard models with an attached reader.
The throttle position sensor (TPS) located in the located in the i20, could become defective. This sensor is responsible for measuring the opening angle of the throttle valve. This information is sent to the control unit and is used to the calculation of the amount of fuel required. A malfunctioning throttle sensor could cause rapid acceleration that is jerky, fluctuations in RPM and decreased engine performance.
Transmission issues are another frequent issue in i20s. The transmission is a complex component made up of many gears that work 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. Symptoms of a faulty transmission include clunking, grinding noises and an abrupt acceleration.
Spark plugs are another area of concern for the i20. Faulty spark plugs can damage the engine by not delivering the right amount of sparks to every cylinder. A damaged spark plug can cause costly and severe engine damage if it is not checked.