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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 before time and monitor key fob function using a mobile app on their smartphone.

However, occasionally the key fob may stop working due to some reason. It could be due an unresponsive battery, water damage or signal interference.

Battery

hyundai lost keys has created the smart key fob for their vehicles that enables you to perform a variety of remote functions, including locking and unlocking doors, launching your vehicle, and even pressing an emergency button. It's a great convenience for drivers that helps them save time and effort, but it can be challenging when the system ceases to function properly. There are a few things you can do if your Hyundai i20's key fob isn't working correctly.

The first thing to do is check the battery. Most smart key fobs are powered by a coin-cell battery, that can be replaced within minutes. This is the easiest and cheapest solution to solve your issue. You can find replacement key fob hyundai batteries at most stores as well as online. Re-open the keyfob after installing the new battery to make sure that the battery is in the proper position and in contact with all the connections.

Make sure to take a picture or make a note of where the previous battery was positioned on the circuit board before removing it. This will help you replace the battery the same way. The majority of Hyundai smart key fobs utilize batteries that are CR2032, which are available in most shops and online. Once you have the battery installed shut down your key fob and test it to determine if it's functioning again.

Contacts

If your Hyundai keyfob suddenly stopped working and you did not drop it, there could be a problem with the internal chip. The receiver module in your vehicle relies on a radio frequency signal to communicate with the remote control, so when this signal is disrupted by nearby transmitters or objects, it may cause the key fob to cease functioning correctly.

Think about the Hyundai Digital key system if you're looking for a way to lock, unlock and start your car on your way to work in Reno. This innovative keyless entry system works via a smartphone app and allows you to share Digital Key access with up to three others. This is useful when you're giving a friend a lift or leaving your vehicle for valet services.

A dead battery is the most common reason for a Hyundai i20's key fob not functioning. It's time to replace the battery if it shows signs of aging or has a slow response or no response at all. While the process of opening and replacing your Hyundai key fob battery isn't difficult but there are a few points to be aware of prior to starting. First, make a note of how the old battery is placed on the circuit board or take a photograph. This will help you put the new battery in the same spot.

Water Damage

The rubber seals on the fob's key seal the chip from water. If it is able to withstand a short splash from a washing machine, or a brief immersion in light rain it is unlikely to be damaged. If you drop it in an ocean or pool and the water sank into the seals, damaging the circuit board. This can be a costly repair.

The first step is drying the key fob completely. You can do this in a variety of ways. You can put it in a bag along with silica packs to absorb the moisture. You can also use rice that is not cooked however, be careful not to touch it while it is still wet. This could cause contamination to its internal components.

Utilizing isopropyl alcohol or an electronic cleaner could also be helpful in cleaning the contacts on the circuit board. If the chip has gone bad it is best to accept that you'll have to replace the key fob.

Replacing the battery in a Hyundai key fob is easy and generally not messy. You can use an YouTube tutorial or your owner's manual guide you through the process. It is a good idea to have a spare key fob on for you in case you need to continue driving your car while waiting for the key repair to arrive.

Troubleshooting

It isn't always easy to identify problems if your check engine light is illuminated and you have a fault code. This is why the diagnostic scanner is commonly known as an OBD 2 (or OBD 2 in the United Kingdom). They are available in Bluetooth versions that connect to your phone or standard models that have an attached reader to the socket.

The throttle position sensor (TPS) located in the located in the i20, can be damaged. This sensor is responsible for measuring the opening angle of the throttle valve. This information is transmitted to the control unit and is used to the calculation of the amount of fuel required. A problem with the throttle position sensor could result in lower engine performance, jerky acceleration and RPM variations when driving.

Another issue common to the i20s is the malfunctioning transmission. The transmission is a complicated component that has many gears that interlock to transfer power from the engine to wheels. The friction between the gears leads to wear and tear, which can cause the transmission to fail. The signs of a damaged transmission include clunking, grinding noises and jerky acceleration.

Spark plugs are an additional area of concern for the i20. Spark plugs that are defective could cause engine damage due to not providing enough sparks to each cylinder. A damaged spark plug could result in costly and serious engine damage if left unchecked.