How to Fix a Dead Kia Picanto Key Fob
The Kia Picanto was built for the city. It zips through traffic gaps which larger cars aren't able to and slams through width limitations as if they're not there at all. It's a compact car packed with features.

There are many reasons why the key fob in your Kia Picanto could not work. The most common reason is a dead battery.
Dead Coin Battery
A dead battery is the most common cause of a Kia Picanto's keys fob not working. Usually the key fob will show warning signs prior to dying, such as losing range or erratic behavior. If you see these indications, it is recommended to replace the battery before it is completely destroyed. Make sure you choose an alternative battery that has identical in size, voltage, and specification as your original one.
If the key fob not working, you may require it to a dealer. This is the only way of ensuring the replacement will be properly programmed and compatible with your car. If you attempt to reprogram your key fob in the absence of proper procedure can damage the internal chip and cause it to stop functioning.
Another possibility is that the receiver module has developed a fault. This could be due to a chip that has been damaged or weakened, or wear and tear. It's not easy to spot the signs of this problem, but it's crucial to find out immediately. If your key fob isn't working, or if the spare does not work then you should call an authorized dealer for assistance. They'll be able to identify the problem and fix it.
Faulty Chip
The key fob contains an internal chip that transmits signals to the car's computer. If the chip is damaged it will not be sent correctly and the immobilizer will activate. This can happen due to various reasons. One of the reasons is an insufficient battery in the key fob. Another issue is water damage. It is likely that the fob will not function when it becomes wet.
A defective chip could be the reason the Picanto fob isn't turning on the engine. If you've replaced batteries, reprogrammed or reprogrammed the fob and it still doesn’t function the circuit board might be damaged. You will need to replace the circuit board If this is the case.
Press the button on the back of the key to open the fob. After this is done, you'll be able to remove the mechanical key. You can then follow the video below to replace the key fob's battery. Use a battery with the same dimensions and voltage. If you choose the wrong battery can cause damage to the Fob. Press the lock button after replacing the battery. If it works, then you've got a great Fob.
Faulty Receiver Module
Your key fob endures many abuses and isn't a perfect piece of equipment. Over kia duplicate key and buttons of your key fob can be damaged. It's easy to fix yourself by using a few simple tools.
The fob must send a message to a receiver in your car to allow it to function. If the module is inoperable the fob won't be able open or start your car. Resetting the fob is the first step you can try.
This is accomplished by disconnecting and let the battery of 12 volts drain completely. Then, reconnecting the positive and negative cables in reverse order.
If the battery is in good working order and the fob does not have any water damage, the issue could be due to the signal. It could be caused by many things including interference from nearby transmitters, or objects that use the same frequency band as your Picanto's receiver.
Key fobs are sealed with rubber that stop the electronic chip from becoming wet. However, if they are submerged in water, the chip may be damaged. This is the reason why it's essential to always keep your key fob away from water and only make use of a key fob that has water-proof design.
Faulty Programming
Kia Picanto's key fob makes it easy to unlock and start your vehicle. You can also use the key fob to control your vehicle. It is crucial to know how to use your key fob, particularly if you are driving in a hazardous environment or have limited mobility. There are many Kia Picanto keys tricks that can help you.
If your key-fob stopped functioning suddenly It could be because of an issue with its internal chip. It is not a common occurrence however it could happen. To identify the issue, it is best to talk to a Kia dealer.
Alternately, you can try to reset your Picanto key fob. The process is relatively simple and can be carried out at home. The first step is removing the key fob. Then connect the diagnostic tool to the OBDII port under the dash and then turn on the engine. The diagnostic tool will then request information about your Picanto. This includes the VIN number, make and model.
You can also check for dead batteries. The retaining clips made of steel inside the key fob are designed to keep the battery in place and complete the circuit. If the retaining clip is loose it could interrupt the flow of electricity, resulting in an interruption in function.