10 Things We Love About Seat Key Why a Seat Ibiza Replacement Key Won't Work

The Ibiza is now equipped with a new generation of driver assistances. 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 battery compartment cover on the key fob (A). Using a flat-head screwdriver or a thumb nail, pull the cover upwards, then replace the CR2025.

Dead Coin Battery

If your key fob has stopped working but you're not capable of reprogramming it with a new code, then the most likely reason is a dead battery in the coin. It is possible to replace the battery yourself within a matter of ten minutes.

To replace the battery inside your seat ibiza replacement key, flip it open from the non-metal ringed side first. There's a clip-on lid that you can open with your nail. The old battery will be removed through the hole in the middle. Be aware that changing the battery incorrectly or using the wrong battery could cause damage to the remote key. Replace the battery using the same size, voltage and specification as the original.

If your key fob was submerged in water, you might also need to clean the chip prior to replacing the battery. This is especially true if it was dropped into the ocean, or soapy water. This should be taken care of immediately as exposure to water may damage the electronic chip and cause your key fob to stop functioning.

Worn Buttons

Seat Ibiza keys stop working most often because the battery is dead. This is not a problem and only takes a few minutes. Key fobs can also stop working if the buttons are worn. It's simple to fix the issue that requires replacing the old key shell with an entirely new one.

It is vital to replace the battery of the button cell correctly otherwise the key fob might be damaged. It is recommended that you always make use of a new battery that is the same size as well as the voltage, specifications, and size. It's important that the polarity is facing upwards on the new battery.

Rubber seals are designed to keep water away from the key fob. However submerging the keyfob in water can cause the seals to break and damage the chip inside. This happens most often when you accidentally drop your key fob in the pool or leave it in the rain. If your key fob still doesn't work even after replacing it or reprogramming, the receiver module might be faulty.

Water Damage

The rubber seals on the key fob block water from getting into the electronic chip. However this doesn't stop occasional bath or splash. If your fob has survived a wash cycle, or a swim in the ocean it could have damaged the chip.

You can fix this issue by removing the battery and cleaning the chip with isopropyl alcohol or an electronic cleaner. Then, let it dry completely before replacing it. If the chip has become damaged, it will need to replace it with a brand new chip.

If your key fob won't work despite changing the battery or reprogramming, there could be a problem with the receiver module. It is the part inside the car that receives signals from the key fob, and then sends signals 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 be lit. If this doesn't occur then the receiver module may be faulty. This is a costly repair but can be rectified by a professional at your local garage.

Radio Interference

The receiver module inside your key could be causing interference. The Key Lab can provide an alternative key that comes with an entirely new receiver.

To replace the battery, remove 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 old CR2025 and replace it with a new battery, making sure that the polarity is in the right place. You can also use a standard-sized key with the transponder chip which was transferred from the damaged or worn key. The chip can be coded and cut to fit your car, if needed.

Faulty Receiver Module

The receiver module in your key fob is what transmits radio signals to the car. The module could be faulty when the fob stops functioning. This can be identified using an OBDII scanner tool or by contacting your dealer.

Other devices that use the same frequency may interfere with the remote keyless entry system. This could include mobile phone transmitters, electrical devices, and even some household appliances.

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

To change the battery, you can use an incredibly small screwdriver with a flat-head or a fingernail for prying open the compartment for the button cell batteries (B). Remove the battery that was in place. Replace it with a brand new CR2025 and ensure that the "+" direction is facing upwards.