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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai I20 owners can lock and unlock their vehicles remotely. They can also start the vehicle ahead of time and monitor key fob functions via a mobile application on their smartphone.

However, sometimes the key fob won't working due to some reason. It could be due to a dead battery or water damage, or signal interference.

Battery

Hyundai has created the smart key fob for their vehicles. It allows you to use a variety of remote functions like locking and unlocking doors, starting your vehicle and even activating the panic button. It's an excellent way to save time and energy for drivers, however it can be frustrating when it doesn't work as intended. There are a few things you can do when your hyundai i30 car key i20's main fob is not working properly.

The first step is checking the battery. The majority of smart key fobs utilize a coin cell battery that is easily replaced in minutes. This is the simplest and most affordable way to fix your problem. You can buy replacement batteries in a variety of stores as well as online. Re-open the keyfob after installing the new battery to make sure that the battery is in the correct position and in contact with all connections.

Note down the position of the battery that was removed from the circuit before you remove it. This will help you install the new battery in the same way. The majority of Hyundai smart key fobs have batteries that are CR2032, which are available in most shops and on the internet. Once you have the battery in place close your key fob and test it to determine if it's functioning again.

Contacts

If your Hyundai key fob stopped working out of the white of the night and you haven't lost it, you could have a problem with an internal chip. The receiver module in your vehicle relies on a radio frequency signal to communicate with the remote control, How To change battery of hyundai car key so in the event that this signal is disrupted by nearby transmitters or objects, it may cause the key fob to not function correctly.

If you're looking for a smart way to unlock, lock and start your car during your Reno commute, you should consider the Hyundai Digital Key system. This advanced keyless entry system works via a smartphone app and allows you to share Digital Key access with up to three additional people. This is useful if you are giving a friend a lift or leaving your vehicle in valet service.

The most frequent reason for a Hyundai i20 key fob to stop working is a dead battery. 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. While the process of opening and replacing the battery in your Hyundai key fob battery isn't too difficult but there are some things you should know before starting. Take a photo or take note of How To change battery of hyundai car key the old battery is laid on the circuit board. This will enable you to place the new battery at the same place.

Water Damage

The key fob has rubber seals to shield the chip's electronic components from water. So, if it is able to withstand the splash of water from a washer or the brief submersion of rain, it's likely to not be damaged. If you drop it into the ocean or a pool the water could get into the seals, damaging the circuit board. This can be a costly repair.

The first step is to dry the key fob thoroughly. It is possible to do this in a variety of ways. It can be placed in a bag with silica packets to absorb the moisture. Or, you could use rice that has not been cooked, but it is important not to contact the key fob when it's still moist because this could contaminate 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 has gone bad it is best to accept that you'll have to replace the key fob.

Replacing the battery in the Hyundai key fob is easy and usually not messy. You can follow a YouTube tutorial video to assist you with the procedure or refer to your owner's manual. It's a good idea keep an extra key fob on hand so you can drive around in your vehicle while you wait for the repaired key.

Diagnostics of a fault

If your check engine light is on and an error code is visible, it may be difficult to identify the issue without the aid of a diagnostic scanner often referred to as an OBD 2. They are available in Bluetooth models that connect to your phone, or standard models with an OBD 2 reader.

One of the most common problems with i20s is that the throttle position sensor (TPS) is damaged. The sensor is used to measure the opening angle of throttle valve. The information is then sent to a control unit, which contributes to the calculation for the amount of fuel needed. A problem with the throttle position sensor could result in a decrease in engine performance, jerky acceleration and RPM fluctuations when driving.

Transmission problems are another common issue for the i20s. The transmission is a complex part with a variety of gears that connect to transfer power from the engine to the wheels. In time the friction between the gears could cause the transmission to suffer failure. The sound of grinding or clunking and an acceleration that is jerky can indicate a faulty gearbox.

The spark plugs in the i20 are another common problem area. The problem with the plugs is that they could cause engine damage due to not delivering enough sparks to every engine. If they are not checked an unclean spark plug can cause serious and expensive engine damage.