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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai i20 owners can to lock and unlock their vehicles remotely. They can also start their vehicle ahead of time and monitor key fob functions using a mobile app on their smartphones.

However, occasionally the key fob may stop functioning due to a reason. It could be due to a dead battery or water damage, or even signal interference.

Battery

Hyundai has created the smart key fob for their vehicles that enables users to perform a variety of remote functions including locking and unlocking doors, launching your vehicle and even activating a panic button. It's an excellent way to save time and energy for drivers, but it can be a hassle if the system doesn't function properly. There are a few things you can do if your Hyundai i20's key fob isn't working properly.

The first step is to check the battery. Most smart key fobs are powered by a coin-cell battery, that can be replaced in a matter of minutes. This is usually the quickest and most affordable method to solve the issue. You can purchase replacement batteries in a variety of stores and online. Once you have a new battery in place open the key fob to ensure that the battery is in the correct position and is in contact with all connections.

Make sure to snap a photo or take a note of where the previous battery was positioned on the circuit board prior removing it. This will allow you to replace the battery the same way. The majority of Hyundai smart key fobs utilize CR2032 batteries, available in a variety of stores or online. Once you have the battery installed shut down your key fob and check to see 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 have a problem with an internal chip. The receiver module in your car uses radio frequency signals to communicate with the remote control, therefore when this signal is blocked by nearby transmitters or objects, it could cause the key fob to stop functioning properly.

You should consider the Hyundai Digital key system if you want to unlock, lock and start your vehicle while you commute to Reno. This innovative keyless entry system works via an app on your smartphone that lets you share Digital Key access with up to three others. This is useful if you're giving someone the opportunity to ride with you or leave your vehicle in valet service.

A dead battery is the most frequent cause of an Hyundai i20's key fob not functioning. If yours is showing indications of dying, such as slow operation or not responding at all it's time to replace the battery. While replacing and opening your Hyundai key fob battery isn't too difficult however there are a few things you should know before beginning. First, make a note of where the old battery is laid inside the circuit board or take a photo. This will help you put the new battery in the same position.

Water Damage

The rubber seals on the key fob protect the chip's electronic components from water. If it survives a quick splash from a washing-machine, or an unintentional dip in a light rain it's unlikely to get damaged. However, if you drop it in the pool or the ocean, then the water can penetrate the seals and damage the circuit board, which can be expensive to repair.

The first step is to dry the key fob completely. It can be done in a variety of ways. You can put it in a plastic bag and then cover it with silica gel packets that will drain the moisture of it. You can also cook rice uncooked However, be cautious not to contact it while it's still damp. hyundai replacement key cost 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 need to replace the key fob.

Replacing the battery in a Hyundai key fob is straightforward and typically not a big mess. You can follow an YouTube video tutorial to assist you through the process or refer to your owner's manual. It's a good idea to keep a spare key fob so you can drive your vehicle while you wait for your key to be repaired.

Fault Diagnosis

If your check engine light is on and a fault code is present it may be difficult to pinpoint the issue without the aid of a diagnostic scanner, often referred to as an OBD 2. These can be purchased in Bluetooth versions which connect to your phone or standard models that have an OBD 2 reader.

One of the most common issues with i20s can be that the throttle position sensor (TPS) is defective. This sensor is used to determine the opening angle of the throttle valve. This information is sent to an electronic control unit, which aids in calculating the amount of fuel required. A damaged throttle sensor can cause jerky acceleration, RPM fluctuations and a reduction in engine performance.

Transmission problems are another common problem in the i20s. The transmission is a complex component with a variety of gears that work together to transfer the power from the engine. The friction between the gears can cause wear and tear over time, which could cause the transmission to fail. Symptoms of a faulty transmission include clunking, grinding noises and jerky acceleration.

Spark plugs are an additional issue for the i20. A defective spark plug can damage the engine because they do not deliver the correct amounts of sparks to every cylinder. If unchecked the damaged spark plug could result in serious and costly engine damage.