What to Do If Your Seat Ibiza Key Fob Stopped Working If your key fob has stopped working suddenly or it isn't locking or unlocking your car, there are a few things to be able to check It may be that the battery needs replacement or the electronic chip is defective The Ibiza is the most well-known model from Seat and is competing with the Renault Clio, Peugeot 208, Ford Fiesta and Vauxhall Corsa in the popular supermini market It's also a great value Battery The most common reason for a key fob to stop working is a dead battery The coin battery used in the fob is 3V lithium button-cell battery CR 2032 This battery is available in retail stores or online Replace the old battery by one that is similar in size, shape and specification The use of a different battery could cause damage to the fob The battery is secured inside the fob with metal clips that hold it in place, which form an electrical circuit when the remote is turned on If these are loose or dirty, they could cause a short and stop the remote from functioning Use isopropyl or electronic cleaners to clean them To change the battery, open up the fob by finding an opening between the two sides in which you can insert a screwdriver or similar device to pull it apart Replace the battery with a new one Be sure to place it in the same direction The fob should then close itself once more After changing https//wwwthekeylabcouk/seat-car-keys/ , it is vital to confirm that the fob works properly Water Damage If you dropped your key fob into the pool, or threw it into the washer and it did not work, it might be suffering from water damage Rubber seals safeguard the electronic chip within the key fob However, prolonged exposure to moisture will affect the seal's quality Water is also a great conductor which can cause short circuits inside the key fob Fortunately, the key fob battery can be replaced easily With a small flat-head screwdriver or thumb nail prise open the cover of the key fob's battery compartment Insert a new button cell battery, CR2025 Ensure that the polarity is upwards Close the compartment for the key fob battery and the remote is now reprogrammed to work with your car If your key fob still has a problem after replacing the battery and reprogramming it then it's possible that the receiver module has developed an issue The receiver module is the component that receives signals from the key fob and sends signals to your car to control the engine, ignition and central locking Faulty Chip Seat Ibiza keyfobs that stop functioning could be due to a chip problem It could happen if the device is dropped, or if it gets wet This could also happen when the buttons wear out or are damaged You'll either have to replace your key fob, or have it repaired by an expert The key fob has rubber seals that block water from getting to the electronic chip However, it could be damaged by prolonged exposure to water or submersion in salt water This can happen by a beach swim or in a rainstorm If you have been unable to repair the key fob on your Seat Ibiza and have tried every method you can think of to repair it the best option is to purchase a replacement It is usually affordable depending on the model and make of your car It could be a hassle to install If you're able to, contact your dealer to learn how to program the key Faulty Receiver Module If the key fob stops working after all other steps including battery replacement and programming this could be an indication of a fault in the receiver module It's a small, black box inside the key fob that transmits the signal to control the keyless system in your car The most common reason for the receiver module to cease working is a dead coin battery If this is the case it is recommended that the battery be replaced first Make sure the new battery is of the same size, specification and voltage as the original one Water damage is another frequent issue If your fob has been exposed to pure tap water or rain this should not be an issue, however if it has been in the presence of soapy, salty or dirty water, then the chip could be damaged It is advisable to remove the fob and examine all mechanical parts for indications of corrosion or damage prior to using it again It is also important to examine the wiring and ensuring it is correctly connected Radio Interference If the signal of the key fob is disrupted by interference, it can prevent the vehicle from responding to the remote control This can be caused by a number of things such as radio transmissions from other devices operating on the same frequency band as the key fob Signals that are too strong could also block out the signal The most common cause of key fobs that do not function is a dead coin-cell battery This needs to be examined first If the key fob has had its battery replaced recently however the range has decreased this could indicate that the battery is exhausted It is recommended to only make use of a brand new battery for replacement and ensure that the proper size and voltage is employed It is important to ensure that the reverse polarity is in the exact direction as the battery when it is put in This will help prevent damage to the electronic chip within the key fob If the battery has been damaged by water the chip could require cleaning using isopropyl or an electronic cleaner