Why a Seat Ibiza Replacement Key Won't Work
The Ibiza is now equipped with a new generation of driver assistance. Travel Assist ensures that your vehicle can keep up with the flow of the traffic, while Lane Assist eliminates the stress of changing lanes.
Remove the key fob battery compartment cover (A). With a flat-head screwdriver, or a thumb nail, pry the cover upwards, then replace the CR2025.
Dead Coin Battery
If your key fob has stopped working but you're not able to reprogram it with the latest code, the most likely cause is a dead coin battery. It is possible to replace the battery yourself in less than ten minutes.
Flip the key open first by removing the metal rings. There's a clip-on lid that you can open with your nail. The battery that was used is pulled through the hole in the middle. Note: Changing the battery incorrectly or with an unsuitable battery could damage the remote key. Always replace the battery with one that has the same size, voltage and specification as the original.
If your key fob was submerged by water, you may also need to clean the chip prior to replacing the battery. This is especially crucial if you've dropped it in the ocean or in soapy wash water. This should be done immediately because exposure to water can harm the electronic chip and cause your key fob's functionality to cease.
Worn Buttons
Seat Ibiza keys stop working most often due to the battery that powers the coin is dead. It's a simple fix that takes just several minutes. The key fob can also stop working if the buttons have worn out. It's an easy fix that requires you to replace the key shell that was used to replace it with the new one.
It's important to note that the button cell battery needs to be replaced correctly or damage may occur to the key fob. It is recommended that you always make sure you use a new battery that is the same size as well as the voltage, specifications, and size. It is essential that the polarity is up on the new battery.
The key fob is protected by rubber seals, which will keep water out. In the event that you submerge the keyfob into water, it could cause the seals on the keyfob to break, damaging the chip's electronic components. This typically happens when you accidentally drop your key fob in the pool or leave it in the rain. If the key fob does not work after replacing or reprogramming it or reprogramming it, the receiver module could be faulty.
Water Damage
The key fob's rubber seals to prevent water reaching the electronic chip inside. This doesn't stop occasional splash. If you've survived a washing cycle or a dip in the ocean, the chip may be damaged.
This can be fixed by taking the battery off and cleaning the chip using isopropyl alcohol or electronic cleaner. Let it dry completely, then put it back. If the chip has become damaged then it must be replace it with a new chip.
If your key fob won't function after changing the battery or reprogramming it, the problem could be with the receiver module. This is the part of the car that receives the signals from the keyfob. you can find out more transmits the signals to the key ignition system. It is possible to test it by trying the spare key fob in case you have one. It should trigger the ignition system light come on and the central locking switch activate. If this doesn't occur it is possible that the receiver module could be defective. This is a costly repair but can be fixed by a professional at your local garage.
Radio Interference
The receiver module inside your key could cause interference. This can be fixed with an alternative key and an entirely new receiver module from Seat parts.
To replace the battery, take off the key and gently lift the cover of the key fob's compartment for the battery with your thumb or a screwdriver with a flat head. Remove the CR2025 that was in place and replace it with a new battery, making sure that the polarity is in the right place. You can also use an ordinary key with transponder chip before on a worn or damaged key. It can be cut and coded to your car if required.
Faulty Receiver Module
The receiver module is the part of the key fob that transmits radio signals to your car. If the fob isn't working it could be because the module has become defective. This can be detected using an OBDII scan tool or by contacting the dealer.
Other devices that operate on the same frequency can interfere with the remote keyless entry system. This includes mobile phone transmitters, electrical devices and even some household appliances.
If the key fob is exposed to clean tap water it may be possible to clean the chip with paper towels and isopropyl alcohol. If the fob's electronic chip has been submerged in soapy or salty water or left for a long period of time on a wet surface it is almost certain to be damaged and will need to be replaced.
To change the battery, use an incredibly small screwdriver with a flat-head or a fingernail, to pry open the compartment for button cell batteries (B). Remove the old battery. Replace it with a brand new CR2025 battery, making sure the "+" direction is facing upwards.