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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai i20 owners are able to lock and unlock their vehicles remotely. They can also start their vehicle ahead of time and monitor key fob function via a mobile app on their smartphone.

Sometimes the key fob can stop working. It could be due to a dead battery or water damage, or signal interference.





Battery

Hyundai has created a smart key fob that can be used to perform a variety of remote functions, such as locking and unlocking your doors, starting your vehicle and even activating the panic button. It's a great way to save time and energy for drivers, but it can be a hassle if the system isn't working properly. There are several things you can do if your Hyundai i20's key fob isn't working properly.

The first thing to do 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 cost-effective method to solve the issue. Replacement batteries are readily available in the majority of stores or on the internet. Re-open the keyfob after installing the new battery to ensure that the battery is in the correct place and in contact with all connections.

Take a photo or note the position of the old battery in the circuit before removing it. This will enable you to install the new battery in the same way. Most Hyundai smart key fobs utilize CR2032 batteries, which can be found at most stores or online. Once you have the battery in place close your 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 experiencing a malfunctioning internal chip. hyundai lost car key inside the car uses radio frequency signals to communicate with the remote. If the signals are disrupted by nearby transmitters, or other objects the key fob might cease to function properly.

If you're looking to find a clever way to unlock, lock, and start your car during your Reno commute, think about the Hyundai Digital Key system. This advanced keyless system works through an app on your smartphone. It allows you to share Digital Key access up to three persons. This is useful for giving a friend a ride or when leaving your car with valet services.

A dead battery is the main reason for the 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 the battery in your Hyundai key fob battery isn't too difficult but there are some points to be aware of prior to starting. The first step is to take note of where the old battery is laid within the circuit board, or take a picture. This will allow you to place the new battery in the same place.

Water Damage

The key fob is fitted with rubber seals to shield the chip's electronics from water. If it can withstand an accidental splash of water from a washing machine, or the brief submersion of rain, it's not likely to be damaged. If you drop it into the ocean or in a pool and the water sank into the seals, damaging the circuit board. This is an expensive repair.

The first step is drying the key fob completely. This can be accomplished in several ways. You can place it in a plastic container with silica gel bags that will drain the moisture of it. Alternatively, you can make use of uncooked rice, but it's important not to touch the key fob while it's still damp as it could cause contamination to the internal components.

You can also clean the contacts of the circuit board using isopropyl or electronic cleaner. If the chip has gone bad and you suspect it, you'll have to replace the key fob.

It is simple to replace the battery in your Hyundai key fob. The process is usually not messy. You can refer to an YouTube tutorial or your owner's manual to guide you through the process. It is a good idea to keep an extra key fob at the go so that you are able to continue driving your vehicle while you wait for the key repair to arrive.

Diagnosis of a Fault

If your check engine light comes on and there is a fault code, it can be difficult to identify the problem without the use 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 a reader attached.

One of the most frequent problems with i20s is that the throttle position sensor (TPS) is defective. This sensor is responsible for determining the opening angle of the throttle valve. This information is transmitted to an electronic control unit, which helps calculate the amount of fuel needed. A malfunctioning throttle sensor will result in abrupt acceleration, erratic RPM changes and decreased engine performance.

Another issue that is common in the i20s is the transmission that is defective. The transmission is a complex component with many gears that mesh together to transfer power from the engine to wheels. The friction between the gears leads to wear and tear over time, which could cause the transmission to fail. Clanging or grinding sounds as well as jerky acceleration are symptoms of a faulty gearbox.

The spark plugs on the i20 are a second common problem area. Spark plugs that are defective can cause damage to the engine because they do not deliver the right amount of sparks to each cylinder. If not checked a damaged spark plug can cause serious and expensive engine damage.