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 the vehicle ahead of time and monitor the key fob's functions using an app on their smartphone.

Occasionally, the key fob will stop working. It could be due to a dead battery water damage, or signal interference.

Battery

Hyundai has developed 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 even activating an emergency button. It's a fantastic feature for drivers that helps them save time and effort, but it can be challenging when the system isn't working properly. There are several things you can do when your Hyundai i20's main fob is not working properly.

The first step is checking the battery. The majority of smart key fobs are powered by a coin cell battery, that can be replaced within minutes. This is usually the fastest and most affordable method to resolve the issue. You can find replacement hyundai car key batteries in a variety of stores and online. Re-open the keyfob after installing the new battery to make sure that the battery is in the proper location and that it is in contact with all the connections.

Be sure to take a photo or make note of the way in which the old battery was placed in the circuit board before removing it. This will help you install the new battery the same way. The majority of Hyundai spare keys smart key fobs have a CR2032 battery which is available in most shops and on the internet. Once you have the battery in place shut down your key fob and check to determine if it's functioning again.

Contacts

If your hyundai smart key replacement key fob suddenly stopped functioning and you did not drop it, there may be a problem in the internal chip. The receiver module in the car utilizes radio frequency signals to communicate with the remote. If these signals are obstructed by nearby transmitters or objects, the key fob may stop working correctly.

You should consider the Hyundai Digital key system if you're looking for a way to unlock, lock and start your car while you commute to Reno. This innovative keyless system functions through an app on your smartphone. It enables you to share Digital Key access up to three persons. This is helpful when offering a friend a ride or Hyundai Spare keys when leaving your car with valet services.

A dead battery is the most frequent reason for a Hyundai i20's key fob not functioning. If yours is showing signs of dying, like slow operation or not responding at all, it's time to replace the battery. While replacing your Hyundai keyfob battery isn't difficult, you must be aware of a few things prior to beginning. First, make a note of how the old battery is placed inside the circuit board or take a photo. This will enable you to place the new battery in the same location.

Water Damage

The key fob is fitted with rubber seals that protect the chip's electronic components from water. If it can withstand a brief splash from a washing machine, or an unintentional dip in a light rain, it is unlikely to be damaged. If you drop it into the ocean or in a pool and the water sank into the seals, damaging the circuit board. This can be a costly repair.

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 containing silica gel packets which will drain the moisture of it. Alternatively, you can make use of rice that isn't cooked but it's crucial not to touch the key fob while it's still wet as it could cause contamination to the internal components.

Using isopropyl alcohol or an electronic cleaner could also help in cleaning the contacts on the circuit board. If the chip is fried and you suspect it, you'll have to replace the key fob.

It's easy to change the battery on your Hyundai key fob. The procedure is generally not messy. You can follow a YouTube tutorial video to help you with the process or consult the owner's manual. It's a good idea have an extra key fob on for you in case you need to continue to drive your car while you wait for the repair key to arrive.

Diagnostics of a fault

If your check engine light comes on and the fault code is present, it can be difficult to pinpoint the issue without the aid of a diagnostic scanner commonly called an OBD 2. They are available in Bluetooth versions which connect to your phone or standard models that have an attached reader to the socket.

One of the most common issues with i20s is the throttle position sensor (TPS) is damaged. This sensor is used to determine the opening angle of throttle valve. The data is sent to the control unit, which helps calculate the amount of fuel needed. A malfunctioning throttle sensor will cause abrupt acceleration, erratic RPM changes and reduced engine performance.

Transmission problems are another common issue with the i20s. The transmission is a complicated part that has a lot of gears which mesh together to transfer the power from the engine. As time passes the friction between the gears can cause the transmission's failure. The sound of grinding or clunking and jerky acceleration are symptoms of an unreliable gearbox.

The spark plugs in the i20 are a different common issue area. The problem with defective spark plugs is that they can harm the engine by not delivering the correct amounts of sparks to the cylinders. If left unchecked an unclean spark plug could cause serious and costly engine damage.