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hyundai santa fe keys locked in car i20 owners can lock and unlock their vehicles remotely. They can also start their vehicle in advance and monitor key fob functions through a mobile application on their mobile.

However, occasionally the key fob might stop functioning due to a reason. This could be caused by a dead battery or water damage, or signal interference.

Battery

Hyundai has created a smart key fob that is able to perform various remote functions like locking and unlocking your doors, launching your car and even activating the panic button. It's a wonderful 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 isn't working correctly.

The first step is to test the battery. The majority of smart key fobs utilize batteries that are coin-cell and can be replaced in just a few minutes. This is typically the fastest and most cost-effective method to fix the problem. Replacement batteries are readily available in all stores and online. Re-open the keyfob after installing the new battery to make sure that the battery is in the right location and that it is in contact with all connections.

Take a photo or note the position of the old battery within the circuit before taking it out. This will help you install the new battery the same way. The majority of Hyundai smart keyfobs use the CR2032 batteries, available at most stores or online. Once you have the battery in place, close up your key fob and test it to determine if it's functioning again.

Contacts

If your Hyundai keyfob suddenly stopped working and you didn't drop it, there may be a problem in the internal chip. The receiver module inside your vehicle relies on a radio frequency signal to communicate with the remote control, therefore when this signal is blocked by nearby transmitters or objects, it might cause the key fob to not function properly.

If you're looking for an efficient way to unlock, lock, and start your car during your Reno commute, you should consider the Hyundai Digital Key system. This advanced keyless system operates via an app on your smartphone, allowing you to share Digital Key access up to three persons. This can be helpful for giving an individual a ride or when you leave your car with valet services.

The most frequent reason for a 2010 hyundai santa fe key fob i20 key fob to stop functioning is the battery is dead. It's time to change the battery if it is showing signs of age or has a slow response or no response at any time. While the process of replacing and opening your hyundai i40 key key fob battery shouldn't be difficult however there are a few things to know prior to beginning. First, make a note of how much to replace hyundai key fob the old battery sits on the circuit board or take a photograph. This will help you place the new battery in the same position.

Water Damage

The rubber seals on the key fob guard the chip from water. If it can withstand the splash of water from a washing machine, or an evaporation in light rain it's unlikely to be damaged. If you dropped it in an ocean or pool, the water could penetrate the seals, damaging the circuit board. This can be a costly repair.

The first step is drying the key fob completely. This can be done in several ways. You can put it in a bag with silica packs to absorb the moisture. You can also use uncooked rice but it's crucial not to contact the key fob when it's still moist because this could contaminate the internal components.

Using alcohol such as isopropyl or an electronic cleaner can also help in cleaning the contacts on the circuit board. If, however, the chip is fried, it's likely that you'll require a replacement key fob.

Replacing the battery in a Hyundai key fob is easy and typically not a big mess. You can follow a YouTube tutorial or your owner's manual to guide you through the process. It's a good idea to 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

It isn't easy to pinpoint an issue if your check engine light is flashing and you have a fault code. This is why the diagnostic scanner is commonly called an OBD 2 (or OBD 2 in the UK). These can be purchased in Bluetooth versions that connect to your phone or standard models with a reader attached.

One of the most frequent problems with i20s is the throttle position sensor (TPS) is defective. This sensor is responsible to measure the opening angle of throttle valve. This information is transmitted to the control unit and contributes to the calculation of the amount of fuel required. A malfunctioning throttle position sensor could result in lower engine performance, jerky acceleration and RPM fluctuations during driving.

Transmission problems are a common issue for i20s. The transmission is a complex component that has many gears that work together to transfer power from the engine to wheels. Over time friction between gears can lead to the transmission's failure. The signs of a damaged transmission include grinding or clunking noises and jerky acceleration.

The spark plugs of the i20 are a different common issue area. The problem with the plugs is that they could cause engine damage due to not giving enough sparks to each engine. If left unchecked, a damaged spark plug can cause serious and expensive engine damage.