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Seat Alhambra Key Problems Seat's MPV jumbo family is among the top models in its class when it comes to resales value. And with a new model available, it's better than ever. There are a variety of reasons why the key fob might not work properly, including a dead coin battery damage to the receiver module, or signal interference. This article will walk you through the steps necessary to get it working. Water Damage If your seat alhambra key fob is able to withstand the wash cycle or a bath in the ocean or pool it's likely to have an amazing waterproof chip but be careful not to make this a routine since exposure to excessive water increases the chance of the key fob getting damaged. If your key fob stops working after exposure to rain or clean tap water, remove the battery and clean the electronic component with a towel. Allow it to dry completely before replacing the battery. If the key fob was exposed to salty or soapy water it is recommended that you clean the chip with isopropyl or an electronic cleaner. Faulty Receiver Module If you have tried the battery of a button cell and the key fob doesn't lock or unlock then it's likely that the receiver module has discovered a problem. It's a fairly simple and affordable fix. You can disconnect the 12 volt battery for a few minutes (first remove negative cable, then press the horn a few times) to eliminate any remaining power. Then connect it in reverse. Positive cable first followed by negative. ESP Warning Light – If the ESP warning light flashes, this is normal and means that the car is travelling through terrain where the traction between the road surface and the tyres isn't optimal, such as gravel, snow or lots of surface water. If the ESP warning light is continuously shining, it is a sign that there is a fault within the system. This can be detected with a iCarsoft i908 Seat OBD Code Reader kit that will provide you with a specific fault description. Dead Coin Battery One of the most common reasons for the seat alhambra key not functioning is a dead coin battery. The key fob is powered by a small button-cell battery. Replace it with a new battery that is 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 of the key fob are clean and corrosion-free. If the key fob was exposed to water (such as soapy tap water) it is recommended that you remove and clean the chip using an electronic cleaner or isopropylethanol before installing a new battery. The chip is sensitive to moisture and could be permanently damaged. If the key fob still not working after replacing the battery, it might 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 function, or suddenly stopped working the receiver module could have encountered a problem. The receiver module takes the radio frequency signals from your key fob's remote and converts them into electrical commands which are then acted upon by other modules inside the car. If the receiver module has developed a fault it will not respond to any of the commands received by your remote key fob. In this instance it is necessary for a dealer to reprogram your key fob as well as install an additional receiver. The key fob has rubber seals to prevent water from entering the chip inside. If you submerge the key fob into soapy or salty water, it could cause damage to the chip. If your key fob isn't able to work, you can try cleaning the chip using isopropyl or electronic cleaner. If the keys are in a pair but the receiver module has developed a fault, you may try to restart all of the onboard electronics by disconnecting the battery that is 12 volts for a few minutes. Connect the battery in reverse (negative cable to positive first). This will reset the on-board electronic and restore their functionality. Faulty Electronic Chip The key fob is fitted with a tiny chip that transmits the signal from the key to the receiver module each time the key is used. If this signal does not match the one stored by the car the immobilizer will stop the engine and prevent the vehicle from starting. If the key fob won't function and you are not able to reprogram it, this could be due to an incompatible microchip. The chip in the key fob might need to be altered in order to get it working again. This can be accomplished by taking the key fob away from its housing and using a needle or pin to make contact with each metal retaining clip. You'll have to replace them if they are 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 a popular and well-designed car however, just like any other vehicle it is not without its challenges. issues with specific components or equipment. Some owners have reported issues with the automatic climate-control system. seat ibiza key replacement can malfunction and be stuck in a certain setting. The infotainment systems can also malfunction and freeze the screens.