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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai I20 vehicle owners can lock and unlock their cars remotely. They can also start the vehicle in advance and monitor key fob functions via an application for mobile devices on their smartphone.

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

Battery

Hyundai has created the smart key fob for their vehicles that allows you to perform a range of remote functions, including locking and unlocking doors, starting your vehicle and even activating panic buttons. It's a great way to save time and energy for drivers, however it can be frustrating when the system doesn't work correctly. There are several things you can do if your Hyundai i20's key fob isn't functioning properly.

The first step is to check the battery. Most smart key fobs use the coin cell battery which is easily replaced in minutes. This is usually the fastest and most affordable method to fix the problem. Batteries for replacement are available at most stores or online. Re-open the keyfob after installing the new battery to ensure that the battery is in the proper location and that it is in contact with all the connections.

Note down the location of the old battery in the circuit before removing it. This will allow you to install the new battery in the same way. Most Hyundai smart keyfobs have CR2032 batteries, available at most stores or online. Once you have the battery in place close your key fob, and then test it to determine if it's working again.

Contacts

If your Hyundai key fob has stopped working completely out of the blue and you've not dropped it, you could be dealing with a defective internal chip. The receiver module in your vehicle relies on radio frequency signals to communicate with the remote control, so if this signals are being interfered with by nearby transmitters or objects, it can cause the key fob to cease functioning properly.

Consider the Hyundai Digital Key system if you're looking to lock, unlock, and start your car while you commute to Reno. This advanced keyless system works via an app on your smartphone. It enables you to share Digital Key access up to three people. This can be helpful when you offer your friend a ride when you leave your car with valet services.

The most common reason for the hyundai key fob repair i20 key fob to stop functioning is a dead battery. It's time to change the battery if it is showing signs of age and is slow to operate or no response at all. While replacing and opening the battery in your hyundai i30 remote key replacement key fob battery shouldn't be difficult however there are a few things to consider prior to starting. First, take note of where the old battery sits on the circuit board or take a photo. This will allow you to place the new battery in the same place.

Water Damage

The rubber seals on the key fob guard the electronic chip from water. If it is able to survive a quick splash from a washing-machine or an a short immersion in light rain, it's unlikely to be damaged. If you've dropped it into the pool or in the ocean, the water could penetrate the seals and damage the circuit board, which is costly to repair.

The first step is to dry the key fob completely. It can be done in a variety of ways. It can be placed in a bag along with silica packets to absorb the moisture. You could also use uncooked rice, but be careful not to be near it while it's still damp. It could be contaminated by its internal components.

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

Replacing the battery in the hyundai lost keys key fob [Recommended Reading] is straightforward and typically not a big mess. You can consult a YouTube tutorial or the owner's manual to guide you through the process. It's a great idea keep an extra key fob on hand so you can drive your vehicle while you wait for your key to be repaired.

Diagnosis of a Fault

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

One of the most frequent problems with i20s is the throttle position sensor (TPS) is damaged. The sensor is used to measure the opening angle of the throttle valve. The information is then sent to the control unit that contributes to the calculation for the amount of fuel needed. A malfunctioning throttle position sensor will result in lower engine performance, jerky acceleration and RPM fluctuations when driving.

Transmission problems are a common issue for the i20s. The transmission is a complex component with many gears that mesh together to transfer power from the engine to wheels. As time passes the friction between gears can lead to transmission failure. Symptoms of a faulty transmission include clunking, grinding noises and an abrupt acceleration.

The spark plugs of the i20 are a different common issue area. The problem with defective spark plugs is that they can harm the engine because they do not deliver the right amount of sparks to the cylinders. If left unchecked, a damaged spark plug can cause serious and expensive engine damage.