Why a Seat Ibiza Replacement Key Won't Work
A newer generation of driver assist take the Ibiza to a completely new level. Travel Assist makes sure your vehicle keeps up with traffic movements while Lane Assist takes the worry out of changing lanes.
Remove the battery compartment cover on the key fob (A). By using a thumb nail or flat-head screwdriver, prise upwards to open the cover and replace the CR2025 battery.
Dead Coin Battery
If your key fob stopped functioning and you're not in a position to reprogram it using an entirely new code, the most likely reason is a dead coin battery. Replace it and you'll be able to make it operational and running again. You can do it yourself in under 10 minutes.
Start by opening the key from the side without the rings made of metal. There's a clip-on lid, which you can open with your nail. The old battery can be pushed out through the hole in the middle. Note: If you replace the battery in error, or using a battery not suitable, it could damage the remote. Replace the battery with the same size, voltage and specifications as the original.
Alternatively, if your key fob is submerged in water, you might need to clean the chip prior to replacing the battery. This is particularly crucial in the event that you've dropped it into the ocean or in soapy wash water. This should be done immediately, as exposure to water could damage the chip's electronic circuit and cause your key fob to stop working.
Worn Buttons
The most common reason for why a Seat Ibiza replacement key stops working is due to the coin battery being dead. This is not a problem and can be done in a couple of minutes. The key fob may be inoperable if its buttons are worn. This is a simple fix and only requires you to swap out the old keyshell for a new one.
It's important to know that the battery for the button must be replaced properly or damage could be caused to the key fob. It is recommended that you always make sure you use a new battery of the same size, voltage, and specification. It's also essential that the current battery's polarity is facing upwards.
Rubber seals should protect the key fob. Submerging the keyfob in water could cause the seals on the keyfob to break, damaging the chip's electronic components. This usually happens if you accidentally drop your key fob into the pool or leave it in the rain. If the key fob doesn't work after replacing or reprogramming it or replacing the receiver module, it could be faulty.
Water Damage
The key fob is fitted with rubber seals that prevent water from reaching the chip inside. This does not stop the occasional splash. If your fob has been through a wash or an ocean swim, it may have damaged the chip.
It can be fixed by removing the battery, and then cleaning the chip using isopropyl or electronic cleaner. Then let it dry completely before putting it back. If the chip is fried it will need to be replaced with a brand new one.
If your key fob doesn't work after changing the battery and reprogramming it then it could be due to a issue with the receiver module. This is the component in the car that receives signals from the key fob and transmits signals to the key ignition system. It can be tested by using a spare key fob in case you have one. The central locking should turn on and the ignition system light should illuminate. If seat ibiza key fob not working doesn't happen, the receiver module is faulty. This is a costly fix but it is possible to fix by a professional in your local garage.
Radio Interference
If your car's radio appears to be acting oddly or the key fob is no longer working it could be due to an interference problem with the receiver module inside the key. Seat parts could provide a replacement key that has a new receiver.
To replace the battery, take off the key piece and then using your thumb nail or screwdriver with a flat-headed head, gently push upwards the key fob's battery compartment cover. Remove the CR2025 battery and insert a new one, ensuring that it is in the proper the polarity. You can also use a standard key with a transponder chip which was previously on a worn or damaged key. It can be cut and coded to your car if needed.
Faulty Receiver Module
The receiver module in the fob that you have in your keys transmits radio signals to the car. The module could be defective in the event that the fob stops working. This can be determined with an OBDII scan tool or by contact with the dealer.
Other devices that use the same frequency can interfere with the remote keyless entry system. This could include mobile phones, electronic devices, and even 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 fob's electronic chip was submerged in salty or soapy water or sat for a long time on a damp surface, it is almost certain to be damaged and need to be replaced.
To replace the battery on your key fob make use of a thumb nail or a small flat-head screwdriver to open the cover of the button cell battery compartment (B). Remove the old battery. Insert a new CR2025, ensuring that the "+" side is facing upwards.