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how to replace a hyundai key fob 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 the vehicle in advance and track the key fob's functions using an app for their smartphone.

Sometimes, the key fob will stop working. It could be due to an unresponsive battery, water damage, or even signal interference.

Battery

Hyundai has developed the smart key fob for their vehicles, which allows you to perform a variety of remote functions, including locking and unlocking doors, starting your vehicle and even activating panic buttons. It's a great convenience for drivers, helping them save time and effort, however it can be difficult when the system ceases to function properly. If you're having difficulty getting your Hyundai i20 key fob to function correctly there are a few things you can try to fix the problem.

The first step is to check the battery. The majority of smart key fobs have the coin cell battery which can be replaced in just a few minutes. This is usually the quickest and most affordable way to fix the problem. Batteries for replacement are available at all stores and online. Re-open the keyfob after installing the new battery in order to confirm that the battery is in the correct location and that it is in contact with all the connections.

Note down the location of the old battery within the circuit before removing it. This will let you install the new battery in the same way. Most Hyundai smart keyfobs have CR2032 batteries, which can be found in most stores or on the internet. Close your key fob after you have installed the battery, and then test it.

Contacts

If your Hyundai key fob suddenly stopped functioning and you weren't able to drop it, it could be a problem with the internal chip. The receiver module in the car uses radio frequency signals to communicate with the remote. If these signals are obstructed by nearby transmitters, or other objects the key fob could stop working correctly.

Take a look at the Hyundai Digital key system if you want to lock, unlock, and start your vehicle on your way to work in Reno. This innovative keyless entry system works with an app for smartphones that allows you to share Digital Key access with up to three others. This is a great feature when you're giving someone the opportunity to take a ride or leaving your vehicle with valet services.

A dead battery is the main reason for an Hyundai i20's key fob not functioning. If yours is displaying signs of dying, like slow operation or not responding at all it's time to replace the battery. While the process of replacing and opening the battery in your Hyundai key fob battery isn't difficult but there are a few points to be aware of prior to starting. Make a sketch or notes of how the old battery is placed in the circuit board. This will enable you to place the new battery in the same location.

Water Damage

The rubber seals on the key fob guard the electronic chip from water. If it can withstand a brief splash from a washing-machine, or an a short immersion in a light drizzle it's unlikely to get damaged. However, if you've dropped it into the pool or ocean then the water could penetrate the seals and damage the circuit board, which can be costly to repair.

The first step is drying the key fob completely. This can be accomplished in a variety of ways. You can put it in a bag along with silica bags to absorb the moisture. You can also make use of uncooked rice, but it's important not to contact the key fob when it's still wet, as it could cause contamination to the internal components.

Using alcohol such as isopropyl or an electronic cleaner can also be helpful in cleaning the contacts on the circuit board. If the chip is fried and you suspect it, you'll need to replace the key fob.

Replacing the battery in the I Lost My Hyundai Car Key key fob is simple and usually not very messy. You can follow an YouTube tutorial or your owner's manual to guide you through the procedure. It's a good idea keep a spare key fob so you can use your vehicle while you wait for the repaired key.

Diagnosis of a Fault

If your check engine light comes on and an error code is visible, it can be difficult to determine the issue without the use of a diagnostic scanner typically referred to as an OBD 2. They are available in Bluetooth versions that connect to phones or repairer standard models that have an attached reader to the socket.

The throttle position sensor (TPS) is located in the i20, could become damaged. This sensor is used to measure the opening angle of the throttle valve. This information is sent to the control unit and contributes to the calculation of the amount of fuel required. A malfunctioning throttle sensor can cause jerky acceleration, RPM fluctuations and reduced engine performance.

Another problem that is frequently found in i20s is the faulty transmission. The transmission is a complex component with many gears that mesh together to transfer power from the engine to the wheels. Over time, the friction between the gears could cause the transmission to suffer failure. Grinding or clunking sounds and an acceleration that is jerky can indicate a faulty gearbox.

The spark plugs in the i20 are a different common issue area. Spark plugs that are defective can cause damage to engines by not providing enough sparks to each engine. If unchecked, a damaged spark plug could cause serious and costly engine damage.