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How to Fix a Problem With Your Hyundai i20 Key Fob

hyundai i30 key I20 owners can lock and unlock their cars remotely. They can also start their vehicle ahead of time and monitor the key fob's functions using a mobile application on their smartphone.

But, sometimes, the key fob won't functioning due to a reason. This 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, including locking and unlocking your doors, starting your vehicle and even triggering the panic button. It's an excellent way to save time and energy for drivers, however it can be a hassle if the system doesn't work correctly. If you're struggling to get your Hyundai i20 key fob to function correctly, there are several things you can try to fix the issue.

The first step is to check the battery. Most smart key fobs are powered by a coin-cell battery that can be replaced in just a few minutes. This is typically the fastest and most affordable method to resolve the issue. You can purchase replacement hyundai car keys batteries in a variety of shops and also online. Once you have a new battery in place open the key fob to ensure that the battery is sitting in the correct place and is in contact with all connections.

Note down the location of the old battery within the circuit before you remove it. This will let you install the new battery the same way. Most Hyundai smart keyfobs use the CR2032 batteries, which are sold in most stores or on the internet. Once you have the battery installed and closed, you can close the key fob, and then test it to verify if it's functioning again.

Contacts

If your Hyundai key fob stopped working out of the blue and you've not dropped it, you could be dealing with a defective internal chip. The receiver module inside your vehicle relies on a radio frequency signal to communicate with the remote control, so it is possible that the signals are affected by nearby transmitters or objects, it may cause the key fob to cease functioning properly.

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. This advanced keyless system works via an app on your smartphone, allowing you to share Digital Key access up to three people. This is helpful when you're giving someone the opportunity to take a ride or leaving your vehicle for valet services.

The most common reason for a hyundai transponder key i20 key fob to stop working is an inactive battery. If yours is showing indications of dying, such as slow operation or not responding at all it's time to replace the battery. Although the process of replacing your hyundai sonata key replacement keyfob battery shouldn't be difficult, you should be aware of certain things before you begin. The first step is to take note of the way that the old battery is laying on the circuit board. You can also take a photo. This will help you put the new battery in the same location.

Water Damage

The key fob is fitted with rubber seals to shield the chip's electronic components from water. If it is able to withstand a short splash from a washing machine, or just a brief dip in a light rain it is unlikely to be damaged. If you've dropped it into the ocean or pool, the water may get through the seals and damage the circuit board, which can be expensive to repair.

The first step is drying the key fob completely. This can be done in many ways. It can be placed in a bag along with silica packs to absorb the moisture. You can also use rice that is not cooked however, be careful not to be near it while it's still damp. It could be contaminated by the internal components.

You can also clean the contacts of the circuit board by using isopropyl or electronic cleaner. If the chip is damaged, it's probably best to accept that you'll require a new key fob.

Replacing the battery on the Hyundai key fob is simple and generally not messy. You can consult a YouTube tutorial or your owner's manual guide you through the process. It's always a good idea keep an extra key fob at hand so that you can continue driving your vehicle while waiting for the repair key to arrive.

Fault Diagnosis

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

One of the most frequent problems with i20s is the throttle position sensor (TPS) is damaged. This sensor is responsible to measure the opening angle of throttle valve. This information is sent to an electronic control unit, which helps calculate the amount of fuel needed. A malfunctioning throttle position sensor will result in reduced engine performance, jerky acceleration, and RPM variations when driving.

Another problem that is frequently found in the i20s is the transmission that is defective. The transmission is a complex component with many gears that interlock to transfer power from the engine to the wheels. The friction between the gears cause wear and tear that can cause the transmission to fail. The sound of grinding or clunking and the jerky acceleration can be signs of a faulty gearbox.

Spark plugs are an additional aspect to be concerned about for the i20. Faulty spark plugs can damage the engine by not delivering the correct amounts of sparks to each cylinder. If unchecked the damaged spark plug could result in serious and expensive engine damage.