How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai i20 owners are able to lock and unlock their cars remotely. They can also start the vehicle in advance and track the key fob's functions using an application for mobile devices on their smartphone.

However, at times, the key fob may stop working for some reason. This could be due a dead battery water damage, or signal interference.

Battery

Hyundai has developed the smart key fob for their vehicles. It allows you to perform a variety of remote functions including locking and unlocking doors, starting your vehicle and even activating a panic button. It's a wonderful feature for drivers to save time and effort, but it can be a hassle if the system ceases to function properly. There are a few options you can do if your Hyundai i20's key fob isn't working correctly.

The first thing you need to do is check the battery. Most smart key fobs are powered by a coin-cell battery which can be easily replaced within minutes. This is the easiest and cheapest method to resolve your issue. Replacement batteries are readily available in most stores or online. After you have put the new battery in place open the key fob to ensure that the battery is sitting in the correct place and that it's making contact with all connections.

Note down the location of the battery that was removed from the circuit before you remove it. This will let you install the new battery in the same way. The majority of Hyundai smart key fobs utilize CR2032 batteries, which can be found in most stores or on the internet. Once you have the battery in place, close up your key fob and test it to determine if it's working again.

Contacts

If your hyundai accent key replacement key fob has stopped working completely out of the blue and Hyundai spare keys you haven't dropped it, you could have a problem with an internal chip. The receiver module in your vehicle relies on radio frequency signals to communicate with the remote control, so it is possible that the signals are interfered with by nearby transmitters or objects, it could cause the key fob's functionality to cease correctly.

Consider the Hyundai Spare keys Digital Key system if you want to lock, unlock, and start your vehicle on your way to work in Reno. This advanced keyless entry system works via an app for smartphones and allows you to share Digital Key access with up to three other people. This is helpful when you give a friend the opportunity to ride with you or leave your vehicle in valet service.

The most common reason for the Hyundai i20 key fob to stop functioning is an inactive battery. If yours is displaying signs of dying, such as slow operation or not responding at all it's time to replace the battery. While the process of replacing and opening your Hyundai key fob battery isn't too difficult but there are some points to be aware of prior to starting. First, take note of how the old battery is laid on the circuit board. You can also take a picture. This will help you put the new battery in the same spot.

Water Damage

The rubber seals on the key fob shield the chip's electronic components from water. If it can withstand the splash of water from a washer or even a brief immersion in light rain, it's unlikely to get damaged. If you drop it in the ocean or pool, the water may get through the seals and cause damage to the circuit board, which can be costly to repair.

The first step is to dry the key fob thoroughly. This can be accomplished in a variety of ways. It can be placed in a bag along with silica packets to soak up the moisture. You could also use uncooked rice, but be careful not to touch it while it is still wet. This could lead to contamination of its internal components.

You can also clean the the circuit board with isopropyl or electronic cleaner. However, if the chip is fried then it's probably best to accept that you'll need a replacement key fob.

Replacing the battery in a Hyundai key fob is easy and usually not very messy. You can consult a YouTube tutorial or your owner's guide to guide you through the procedure. It's a good idea keep an extra key fob to ensure you can drive your vehicle while you wait for the repaired key.

Fault Diagnosis

If your check engine light is on and an error code is visible, it can be difficult to identify the issue without the use of a diagnostic scanner commonly called an OBD 2. They are available in Bluetooth versions that connect to your phone or standard models that have an integrated reader.

One of the most common issues with i20s is the throttle position sensor (TPS) becomes defective. This sensor is responsible for measuring the opening angle of the throttle valve. The data is sent to the control unit, which is used to calculate the amount of fuel needed. A malfunctioning throttle sensor will result in rapid acceleration that is jerky, fluctuations in RPM and a reduction in engine performance.

Transmission problems are a common issue with the i20s. The transmission is a complicated component that has many gears that connect to transfer the power from the engine. As time passes, the friction between the gears can cause the transmission's failure. Signs of a malfunctioning transmission include clunking, grinding noises and rapid acceleration that is jerky.

Spark plugs are a different aspect to be concerned about for the i20. Spark plugs that are defective can cause damage to the engine by not delivering the correct amounts of sparks to each cylinder. If not checked an unclean spark plug can cause serious and expensive engine damage.