These Are The Most Common Mistakes People Make With Seat Key Why a Seat Ibiza Replacement Key Won't Work

The Ibiza is now equipped with the latest generation of driver assistance. Travel Assist ensures that your vehicle keeps pace with the traffic, while Lane Assist eliminates the stress of changing lanes.

Take off the battery compartment cover on the key fob (A). With a flat-head screwdriver, or a thumb nail, push the cover upwards. Replace the CR2025.

Dead Coin Battery

If your key fob is not working and you are unable to reprogram it the most likely cause is an inoperative battery. Replace it and you'll be able to make it operational and running again. You can do it yourself in under 10 minutes.

Open the key first from the side without the metal rings. There's a clip-on lid, which you can open with your nail. The old battery can then be pushed out through the hole in the middle. Note: If you change the battery incorrectly, or with a battery not suitable, it can harm the remote. Replace the battery using the same voltage, size and specification as the original.


In addition, if the key fob you have purchased has been submerged in water, you might require cleaning the chip prior to replacing the battery. It is particularly important if the device was dropped in the sea or soapy water. It is crucial to do this as soon as you can, since water could damage the electronic chip of your key fob.

Worn Buttons

Seat Ibiza keys stop working the majority of the time often because the coin battery is dead. It is a simple fix that takes just several minutes. The key fob also stops working if the buttons have worn out. This is also a simple fix and it only requires you to swap the old key shell for a new one.

It is important to replace the button cell battery properly, or the key fob might be damaged. It is recommended to always make sure you use a new battery with the same size in terms of voltage, size, and specification. It's also important that the direction of the new battery is facing upwards.

Rubber seals are designed to keep water out of the key fob. However, submerging the key fob in water can cause the seals' to break and damage the chip inside. This typically happens when you accidentally drop your key fob into the pool or leave it in the rain. If the key fob does not work after reprogramming or replacing it and the receiver module may be defective.

Water Damage

The key fob comes with rubber seals to stop water getting to the chip inside. It is not enough to stop the occasional splash. If you've gotten through a washing cycle or an ocean swim the chip could be damaged.

You can fix this issue by taking the battery off and cleaning the chip with isopropyl alcohol, or electronic cleaner. Allow it to dry completely, then put it back. If the chip is damaged, it will have to be replaced with a brand new one.

If your key fob doesn't work despite changing the battery or reprogramming, the problem could be with the receiver module. This is the part in the car that receives signals from the key fob, and then sends them to the key ignition system. If you have an extra key fob, you can test it. The central locking should activate and the ignition system light should come on. If The Keylab doesn't occur, then the receiver module may be faulty. This is a pricey fix, but it is possible to fix by a professional in your local garage.

Radio Interference

The receiver module inside your key could cause interference. This can be corrected with replacing the key with a new receiver module from Seat parts.

To replace the battery, pull off the key piece and using your thumb nail or a screwdriver with a flat head, gently pull upwards the key fob's compartment cover. Remove the old CR2025 batteries and insert a fresh one, ensuring that it has the proper the polarity. You can also make use of a standard key, with the transponder chip that was transferred from the damaged or worn key. It can be coded and cut to fit your vehicle and, if required.

Faulty Receiver Module

The receiver module on the fob that you have in your keys transmits radio signals to the car. If the fob isn't working, it could be that the module has gone faulty. This can be detected using an OBDII scan tool or by getting in touch with the dealer.

Other devices that operate on the same frequency may interfere with the remote keyless entry system. This can include mobile phones, electronic devices, and even some household appliances.

If the fob is exposed clean tap water, it might be possible to clean the electronic chip using paper towels and isopropyl Alcohol. If the key fob has been submerged in salty or soapy water or sat for a long time on a wet surface, it will almost certainly be damaged and require to be replaced.

To replace the battery in your key fob using the thumb nail or flat-head screwdriver to prise open the cover of the button cell battery compartment (B). Remove the old battery. Insert a new CR2025, ensuring that the "+" polarity is facing up.