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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai I20 owners can lock and unlock their cars remotely. They can also start the vehicle ahead of time and check key fob functions via an application for mobile devices on their smartphone.

Occasionally the key fob may cease to function. This could be due to a dead battery or water damage, or signal interference.

Battery

Hyundai has created the smart key fob for their vehicles that allows you to perform a variety of remote functions, including locking and unlocking doors, launching your vehicle, and even triggering a panic button. It's an excellent way to cut down on time and energy for drivers, however it can be frustrating when the system doesn't function properly. If you're experiencing difficulty getting your Hyundai i20 key fob to function correctly, there are several things you can try to solve the issue.

The first step is checking the battery. The majority of smart key fobs are powered by a coin-cell battery which can be easily replaced within minutes. This is the fastest and cheapest method to resolve your issue. It is possible to purchase replacement batteries in most stores as well as online. Once you have a new battery in place and you have it open, check to make sure the battery is sitting in the correct position and that it is in contact with all of the connections.

Make sure to capture a photograph or take a note of how the old battery was positioned in the circuit board prior to taking it out it. This will let you install the new battery the same way. The majority of Hyundai smart key fobs are powered by batteries that are CR2032, which are found in many shops and online. Once you have the battery installed shut down your key fob and check to determine if it's working again.

Contacts

If your Hyundai key fob has 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 inside the car utilizes radio frequency signals to communicate with the remote. If these signals are interfered with by nearby transmitters or other objects the key fob might not function properly.

Take a look at the Hyundai Digital key system if you want to lock, unlock and start your car while you commute to Reno. This advanced keyless entry system is operated via an app for smartphones that lets you share Digital Key access with up to three other people. This is useful when you're giving someone the opportunity to take a ride or leaving your vehicle in valet service.

A dead battery is the main cause of a Hyundai i20's key fob not functioning. It's time to replace the battery if yours shows signs of aging, such as slow operation or no response at any time. While replacing your Hyundai keyfob battery isn't difficult, you should be aware of a few things prior to beginning. First, take a note of the way that the old battery is laying inside the circuit board or take a photo. This will help you put the new battery in the same place.

Water Damage

The key fob comes with rubber seals that protect the chip's electronics from water. If it can withstand a splash of water from a washer or a brief submersion in light rain, it's not likely to be damaged. If you dropped it in a pool or ocean the water could get into the seals, damaging the circuit board. hyundai key fob can be a costly repair.

The first step is drying the key fob completely. This can be done in many ways. You can place it in a bag along with silica packs to absorb the moisture. You can also make use of rice that isn't cooked but it's crucial not to contact the key fob when it's still damp as it could cause contamination to the internal components.

The use of isopropyl alcohol, or an electronic cleaner can also be helpful in cleaning the contacts on the circuit board. If the chip has gone bad and you suspect it, you'll need to replace the key fob.

Replacing the battery in the Hyundai key fob is easy and typically not a big mess. You can follow an YouTube video tutorial to help you along the way or refer to the owner's manual. It's a great idea keep an extra key fob on hand so you can use your vehicle while you wait for the repaired key.

Fault Diagnosis

If your check engine light comes on and an error code is visible, it may be difficult to pinpoint the issue without the aid of a diagnostic scanner, commonly called an OBD 2. These can be purchased in Bluetooth versions which connect to your phone or standard models that have a reader attached.

One of the most common issues with i20s can be that the throttle position sensor (TPS) develops a fault. The sensor is used to determine the opening angle of the throttle valve. This information is transmitted to an electronic control unit, which contributes to the calculation for the amount of fuel required. A malfunctioning throttle sensor can cause rapid acceleration that is jerky, fluctuations in RPM and decreased engine performance.

Another issue that is common in the i20s is a faulty transmission. The transmission is a complex part with a variety of gears that mesh together to transfer power from the engine to the wheels. As time passes, the friction between the gears can lead to the transmission's failure. The sound of grinding or clunking and rapid acceleration that is jerky are signs of a faulty gearbox.

Spark plugs are a different aspect to be concerned about for the i20. The problem with defective spark plugs is that they can harm the engine by not delivering the correct amounts of sparks to each cylinder. A damaged spark plug can result in costly and serious engine damage if left unchecked.