How to Fix a Dead Kia Picanto Key Fob
The Kia Picanto was built for the city - it zips through traffic voids which larger cars aren't able to and navigates width limits as if they're not even there. Despite its shabby appearance, it packs in plenty of equipment.

There are a myriad of reasons that your Kia Picanto key fob may not be functioning. The most frequent reason is the battery is dead.
Dead Coin Battery
A battery that is dead is the most common cause of a Kia Picanto's key fob not working. The key fob will usually display warning indicators such as fluctuating behavior or losing range before it goes out of service. It is recommended to replace your battery whenever you notice any of these warning signs prior to the battery completely fails. Use a battery that has the same voltage, size, and specification as the original.
If the fob for your key is not working, you might be required to take it to an authorized dealer. Only then can you ensure that the new key fob will function with your vehicle and will be programmed correctly. If you attempt to program the key fob incorrectly the internal chip could be damaged and it will stop working.
Another possibility is that the receiver module has developed a fault. This could be because of a chip that has been damaged or weakened, or wear and tear. It's not easy to recognize the signs of this issue, but it's crucial to find out as soon as you can. If you're not able to get your key fob to lock or unlock your doors, or even the spare won't work and you are unable to lock or unlock the doors, contact a dealership or service center to get help. They'll be able to identify the issue and fix it for you.
Faulty Chip
The key fob has the chip that transmits the signal to a computer inside the car. If the chip becomes damaged it will not transmit the correct code, and the car's immobilizer will be activated. This can be due to several reasons. One of the reasons is an insufficient battery in the key fob. Another possibility is water damage. If the fob becomes wet, it's likely that it will stop working.
A malfunctioning chip could be the reason behind an Picanto key fob not turning on the engine. If you have replaced the battery and tried to reprogramme the fob but it still does not work, it may be that the circuit board is damaged. If this is the case, you'll require replacing it.
Press the button on the back to release the fob. Once this is done you'll be able take off the mechanical key. Then, follow the instructions below to replace the key fob's battery. Make sure you use the correct battery with the same size and voltage. The wrong battery could cause damage to the Fob. After replacing the battery you should test it by pressing the lock button. If it works, you've got a great Fob.
Faulty Receiver Module
Your key fob is subject to many abuses and isn't impervious to destruction. Over time, its battery contacts and buttons can get damaged and stop functioning properly. It's simple to fix the problem with a couple of tools.
To function, the fob needs to send a signal to a receiver inside your car. If this module is damaged it will not be able to open or even start your vehicle. Resetting the fob is the first step you should try.
This is done by disconnecting the cable and then letting the battery with 12 volts drain completely. Then, reconnecting the negative and positive cables in reverse order.
If the battery is good and the fob has no water damage, it might simply have an issue with its signal. It could be caused by several things like interference from nearby transmitters or objects that use the same frequency band as your Picanto's receiver.
Key fobs come with rubber seals to keep the electronic chip inside from getting wet, but if they are submerged for a long period of time, the chips can be destroyed. This is why it's important to always keep your key fob free from water, and to only utilize a key fob that has waterproof designs.
Faulty Programming
A Kia Picanto key fob is an easy way to unlock and start your car. You can also use the key fob to control your vehicle. It is essential to know how to use your key fob, particularly if you are driving in poor conditions or have limited mobility. There are many Kia Picanto key tricks that can aid you.
If your key fob stopped functioning out of the blue, it could have a problem with its internal chip. It is not a common occurrence but it's possible. To determine the problem it is recommended to talk to an Kia dealer.
You can also try to reset your Picanto key fob. The process is relatively simple and can be done at home. The first step is to remove the key fob. Then connect the diagnostic tool to the OBDII port on the dash. Then, turn on the engine. kia replacement keys G28CarKeys will ask for details about the Picanto. This includes the manufacturer model, year, and VIN.
You can also look for a dead battery. The metal clips inside the key fob hold the battery and complete the circuit. If the retaining clip is loose it could disrupt the flow of electricity, resulting in the key fob to cease functioning.