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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 their vehicle before time and monitor key fob function through a mobile application on their smartphone.

However, occasionally the key fob will stop working for some reason. It could be due to a dead battery or water damage, or signal interference.

Battery

Hyundai has developed a smart key fob that is able to perform a variety of remote functions, like locking and unlocking your doors, starting your car and even activating the panic button. It's an excellent feature for drivers and helps them save time and effort, but it can be a hassle if the system isn't working properly. There are a few options you can do to fix your Hyundai i20's key fob isn't working correctly.

car key replacement hyundai is to test the battery. Most smart key fobs make use of batteries that are coin-cell and is easily replaced in minutes. This is usually the fastest and most cost-effective method to fix the issue. You can find replacement batteries at most shops and also online. Re-open the keyfob after installing the new battery to verify that the battery is in the correct location and that it is in contact with all connections.

Be sure to take a photo or make note of how the old battery was placed in the circuit board prior removing it. This will allow you to install the new battery in the same manner. Most Hyundai smart keyfobs use the CR2032 batteries, which can be found at most stores or online. Close your key fob after installing the battery and testing it.

Contacts

If your Hyundai key fob suddenly stopped functioning and you did not drop it, there could be a problem with the internal chip. The receiver module in the car utilizes radio frequency signals to communicate with the remote. If these signals are interrupted by nearby transmitters or other objects, the key fob may cease to function properly.

Think about the Hyundai Digital Key system if you're looking for a way to lock, unlock, and start your vehicle while you commute to Reno. This advanced keyless entry system works via an app for smartphones and allows you to share Digital Key access with up to three others. This is useful if you're giving a friend the opportunity to ride with you or leave your vehicle in valet service.

The most common reason for a Hyundai i20 key fob to cease working is a dead battery. It's time for a new battery if it shows signs of aging like a slow operation or no response at all. While opening and replacing your Hyundai key fob battery shouldn't be difficult but there are a few things you should know before starting. Take a photo or take notes of how the old battery is laid within the circuit board. This will help you put the new battery in the same place.

Water Damage

The rubber seals on the key fob protect the chip from water. Therefore, if it withstands the splash of water from a washer or an evaporation in light rain it's unlikely to be damaged. If you dropped it in the ocean or in a pool it could be damaged by the water. the seals, causing damage to the circuit board. This can be a costly repair.

The first step is drying the key fob completely. This can be done in various ways. You can place it in a bag along with silica packets to soak up the moisture. You could also use uncooked rice Be careful not to touch it while it is still damp. This could cause contamination to its internal components.


Using isopropyl alcohol or an electronic cleaner can also be helpful in cleaning the contacts on the circuit board. If the chip has gone bad, it's best to accept you'll need to replace the key fob.

Replacing the battery in the Hyundai key fob is straightforward and usually not very messy. You can follow a YouTube tutorial or your owner's guide to guide you through the procedure. It's always a good idea keep an extra key fob in hand so that you can continue to drive your car while waiting for the repaired key to arrive.

Troubleshooting

If your check engine light comes on and the fault code is present, it may be difficult to identify the issue without the help of a diagnostic scanner, often referred to as an OBD 2. They are available in Bluetooth versions that connect to your mobile or standard models that have an attached reader to the socket.

The throttle position sensor (TPS) is located in the i20, could become damaged. The sensor is used to determine 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 damaged throttle sensor can result in sudden acceleration, RPM fluctuations and reduced engine performance.

Another problem that is frequently found in the i20s is a faulty transmission. The transmission is a complex component that has many gears that work together to transfer the power from the engine. The friction between the gears can cause wear and tear that can cause the transmission to fail. The sound of grinding or clunking and an acceleration that is jerky can indicate a faulty gearbox.

Spark plugs are a different area of concern for the i20. A defective plug can cause engine damage through not giving enough sparks to each cylinder. A damaged spark plug can cause costly and serious engine damage if ignored.

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