How to Reset a Skoda Key

I just got a message that my infotainment device is low on battery and requires to be replaced. It's not the first time, and when I last visited an dealer, they replaced it for free, took 2 minutes and said it would work once more.

Switch the ignition ON and lock the vehicle mechanically. Press the unlock button five times at intervals of 1 second on the remote control. A short horn will sound.

EEPROM Method

It can take some time for a professional locksmith to reprogram your key if it stops working. In most cases, this involves reading the EEPROM to find the unique code for that specific vehicle. This is a risky process since there's a great chance that the information stored in the module will be damaged. This is why it's better to leave the work to an expert locksmith.

An EEPROM is a non-volatile memory utilized in various electronic devices, such as car keys. It is a storage device that stores the unique authentication codes as well as encryption keys that your car recognizes when you use it to unlock the vehicle or start it. These codes are crucial because they inform your car that you are the owner of the key and that you have the right to drive.

If your EEPROM is corrupted, keys will stop working. The problem is usually caused by using the wrong key, or by accidentally hitting one of the buttons. It is possible to reset the key by using an instrument that is specifically designed for this purpose. However this method might not work. It is recommended to employ an expert who has years of experience in automotive key programming.


To reset your EEPROM you must remove the Kessy Module from the vehicle. It is located just above the accelerator pedal located on the left side of the car. Utilizing a screwdriver to remove the single plastic clip that holds it in the position. Then, unplug the electrical connectors. Remove it. Then, you can read the EEPROM by using a SOIC8 and micro pincers connected to the programmer. Once you have the data, you can save it to a file and then write it back to the EEPROM.

You can use a program such as PonyProg to read the EEPROM data. Click on Read Device. The EEPROM dump will appear as a hex array of characters. Three hex numbers are noteworthy for the KEY_CODE (key_code) and the key_count (key_count) and the V_ARG_ENABLED. To "virginize", the chip, change all other hex values starting with 00. Once you have done this, you can then flash the chip to restore its function.

Ignition Method

This method involves using an additional key that works to activate the car's system. It might not work for all vehicles however it is able to reset the key fob when it's not working or the battery is dead. It should work if have pressed the buttons with force (people often push the unlock button repeatedly).

This method requires that you switch on the ignition and keep it on. Then you must lock the door of the driver of the car using another key. Next, turn the key fob to its lock position, and aim it at the receiver for transmission located on the front of the vehicle above the mirror. Hold the unlock button for several minutes. continue reading this will sound and the key fob should start to work.

If the skoda keys don't work it could be because the transmitter inside is corrupted or out of alignment with the vehicle's security system. If this is the case, the key will need to be changed into a new program. A technician or automotive locksmith can assist you with this.

If the key fob does not work after reprogramming it could be that the car "forgot" the key if the car wasn't used for 6 months. You can still attempt the resync process in the user guide Remove the cap and lock from the driver's side of the door. Then unlock the car with that key. If it doesn't work, you'll need to visit the dealer. This usually works on keys that are not functioning and is less than two minutes.

Keyless Entry Method

The latest generation of keyless entry systems, such as the kind supplied with modern OCTAVIA and electric ENYAQ iV vehicles - has an ingenious security feature that prevents thieves from "signal extension". A signal is sent to the vehicle and then to the key, which is required to respond within a specified time. If the key does not respond, the vehicle will not be locked and will ring its alarms.

A sensor in the handle of the door can also be used to tell the car that the key is in close proximity. This works by sending an electrical signal to the internal coil of the key, and then transmits the signal to the sensor. If the sensor detects it the car is locked, it will unlock itself and turn on the interior lights automatically if it is set to do this.

Even older keyless entry systems come with an alternative. If the remote doesn't work, you may unlock the door for the driver mechanically by slipping out the blade or, with certain models, pressing down on a button within the door pocket. This method is particularly helpful in the event that your key's battery is dead or you have lost it.

Remote Control Method

If you've purchased an electronic remote control but it doesn't work in your car, the seller might not have programmed it to match your vehicle. It could be that the terminals of the battery are loose (look for this, they might appear a bit loose to the touch and may be soldered in the wrong place) It is important to carefully solder them back into place will bring your key fob back to full working order. If you're not confident with this kind of repair, seek out an expert auto elec technician.

Turn off the ignition, and lock the vehicle from the inside using a second key that is not matched (this resets the memory position 1). Enter channel "01". (Can be channel "21" on some Audi models.) Insert skoda octavia key not detected into the driver's door, and then hit the unlock button twice in less than 5 seconds.

Repeat this procedure for up 4 additional remote controls. Make sure you turn off the ignition in between programming each remote. You should hear a sound every time you successfully program the remote.