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seat leon key fob programming Seat's Jumbo MPV family is among the top models in its class when it comes down to resales values. And with a new generation model now available, it's better than ever. There are many reasons why the key fob won't perform as it should, including the battery being dead damage to the receiver module or signal interference. This article will walk you through the steps necessary to make sure it works. Water Damage If your key fob for the seat alhambra survives the wash cycle or dip in the ocean or a pool then it's got a waterproof chip. But don't do this often since prolonged exposure to water increases chances of the key fob getting damaged. If the key fob ceases to functioning after exposure to clean tap water or rain, simply take out the battery, wipe the electronic component with paper towel and let it dry completely before putting it back in. In case of exposure to soapy or salty water, it is recommended to wash the chip using isopropyl alcohol or a electronic cleaner before attempting to put the battery back in. Faulty Receiver Module If you have tried a new button cell battery and the key fob still cannot be locked or unlocked, it's likely that the receiver module has developed a fault. The positive side is that this is a relatively simple and cost-effective fix. You can disconnect the 12 volt battery for about a couple of minutes (first take off the negative cable and then press the horn button numerous times) to drain any residual electrical current and then reconnect it in reverse order e.g. positive first, then negative cable later. ESP Warning Light – If the ESP warning light is flashing, this is normal and indicates that the car is driving over terrain in which the traction between the road surface and tyres isn't optimal, such as snow, gravel or a lot of surface water. If the ESP light is constantly flashing, it is a sign there is a problem in the system. It is possible to identify the problem with a iCarsoft i908 seat OBD code reader kit. It will provide a detailed fault description. Dead Coin Battery One of the most frequent reasons for the seat alhambra keys to stop working is a dead battery. The key fob is powered by an insignificant button cell battery which keeps it powered. It should be replaced by a new battery that is exactly the same size, voltage and specifications as the original. When replacing the battery on the key fob, remove all metal clips and ensure that the contacts on the key fob are in good condition and free of corrosion. If the key fob was exposed to water, such as rain or soapy water, it's recommended that you remove the battery and clean the electronic chip using isopropyl alcohol or a electronic cleaner prior to putting in the new battery. The chip is sensitive to moisture and can be permanently damaged. If the key fob is still not working after replacing the battery, it may be necessary to replace the entire key fob. Faulty Receiver Module If your key fob has stopped working after replacing the battery, but it didn't help, or it suddenly stopped working without notice the receiver module might have developed an issue. The receiver module is responsible to receive the radio frequency signals sent by your remote key fob, and changing them into electrical signals that are then acted on by other modules in the car. If the receiver module has suffered a malfunction that prevents it from responding to any of the commands received by your remote key fob. In this situation you'll have to visit a dealer to reprogramme the key fob, and also a new receiver module. The key fob is fitted with rubber seals that prevent water from entering the electronic chip inside. If you immerse the key fob in soapy water or salty ocean water, the chip inside may be damaged. You can try cleaning the chip by rub it with isopropyl alcohol or electronic cleaner, but If your key fob does not work after this, then you'll need to buy a new one. If the keys have been successfully paired, but your receiver module is faulty then you can restart all the electronics in the board by disconnecting the battery with 12 volts for a few minutes. Connect the battery in reverse (negative cable to positive first). This will reset all electronic components on board and bring them back into operation. Electronic chip that is malfunctioning The key fob is equipped with a small chip that transmits a signal from the key to the receiver module each time the key is used. If the signal isn't in line with the one the car has stored the immobilizer will turn off and stop the vehicle from starting. If the key fob you purchased does not work and you are unable to reprogram it, this could be because of an incompatible microchip. The chip inside the key fob might need to be replaced in order to make it function properly. The best way to do this is by removing the key from its housing and using a pin needle to connect with each of the metal clips that hold it. You will have to replace them in the event that they have been damaged or corrosion-prone. Make sure that any replacement batteries have the same size, voltage and specifications as the original one. The Seat Alhambra is an attractive and well-designed model but like any other car it may encounter problems with specific components or equipment. Some owners have reported problems with the automatic climate control system. It is prone to fail and cause problems, and then get stuck in a specific setting. The infotainment system may also malfunction and cause freezes on the screens.