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How 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 monitor the key fob's functions using an app for their smartphone.

Sometimes the key fob can cease to function. This could be due a dead battery water damage, or signal interference.

Battery

Hyundai has created the smart key fob for their vehicles that allows you to use a variety of remote functions including locking and unlocking doors, launching your vehicle and triggering the panic button. It's an excellent way to save time and energy for drivers, however it can be a hassle if the system isn't working properly. If you're struggling to get your Hyundai i20 key fob to perform as it should, there are several things you can do to resolve the issue.

The first step is checking the battery. Most smart key fobs are powered by a coin cell battery, which can be easily replaced in a matter of minutes. This is typically the fastest and most cost-effective method to resolve the issue. Replacement batteries are readily available in all stores and online. After you have put the new battery in place and you have it open, check to make sure the battery is in the correct position and that it's in contact with all of the connections.

Take a photo or note the location of the battery that was removed from the circuit before removing it. This will assist you in installing the new battery in the same way. Most Hyundai smart key fobs have batteries that are CR2032, which are available in most shops and online. Once you have the battery installed, close up your key fob and check to determine if it's functioning again.

Contacts

If your Hyundai key fob has stopped working completely out of the blue and you've not dropped it, you could be dealing with a defective internal chip. The receiver module in your car uses radio frequency signals to communicate with the remote control, therefore it is possible that the signals are disrupted by nearby transmitters or objects, it might cause the key fob to stop functioning properly.

Think about the Hyundai Digital key system if you're looking for a way to unlock, lock and start your vehicle on your way to work in Reno. This innovative keyless system functions through an app on your smartphone and allows you to share Digital Key access up to three people. This can be useful when you offer an individual a ride or when you are leaving your car using valet services.

A dead battery is the primary cause of an Hyundai i20's key fob not functioning. It's time for a new battery if the one you have is showing signs of aging like a slow operation or no response at all. Although opening and replacing your Hyundai key fob battery shouldn't be difficult but there are a few points to be aware of prior to beginning. First, take a note of where the old battery sits inside the circuit board or take a photo. This will assist you in placing the new battery in the same place.

Water Damage

The key fob has rubber seals to shield the electronic chip inside from water. So, if it is able to withstand the splash of water that comes from a washer or an evaporation in light rain, it's unlikely to get damaged. However, if you drop it in the ocean or pool, the water may get through the seals and damage the circuit board, which can be costly to repair hyundai key fob.

The first step is to dry the key fob completely. This can be done in several ways. It can be placed in a plastic bag and then cover it with silica gel packs that will suck the moisture out of it. Or, you could make use of rice that isn't cooked but it's crucial not to contact the key fob when it's still wet, as it could cause contamination to the internal components.

Using isopropyl alcohol or an electronic cleaner may also be helpful in cleaning the contacts on the circuit board. If the chip is fried it is best to accept that you'll need to replace the key fob.

It is simple to replace the battery in your Hyundai key fob. The procedure is generally not a hassle. You can follow an YouTube tutorial video to help you with the procedure or refer to your owner's manual. It's a great idea keep an extra key fob to ensure you can drive around in your vehicle while waiting for your repaired key.

Troubleshooting

If your check engine light is on and there is a fault code, it may be difficult to pinpoint the issue without the help of a diagnostic scanner typically referred to as an OBD 2. These are available in Bluetooth versions that connect to your phone or standard models with an OBD 2 reader that is connected to the socket.

The throttle position sensor (TPS) is located in the i20, could fail. This sensor is used to measure the opening angle of throttle valve. This information is transmitted to the control unit and is used to the calculation of the amount of fuel needed. A damaged throttle sensor can result in abrupt acceleration, erratic RPM changes and decreased engine performance.

Transmission issues are another frequent issue with i20s. The transmission is a complex component with a variety of gears that connect to transfer the power from the engine. The friction between the gears leads to wear and tear, which can cause the transmission to fail. Sounds of grinding or clunking as well as the jerky acceleration can be signs of a faulty gearbox.

Spark plugs are an additional area of concern for the i20. Faulty plugs can cause damage to engines by not sending enough sparks to every engine. A damaged spark plug can cause costly and severe engine damage if ignored.