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Seat Alhambra Key Problems Seat's jumbo MPV range is among the best in its class when it comes to resales values. With a new model available for sale, the Jumbo family MPV is more impressive. There are many reasons the key fob won't work properly, including an unresponsive coin battery water damage to the receiver module or signal interference. This article will guide you through the steps necessary to make sure it works. Water Damage If your key fob for the seat alhambra can withstand a wash cycle or dip in the ocean or a pool then it's got a waterproof chip. But, you shouldn't do this often since prolonged exposure to water can increase the chance of the key fob becoming damaged. If seat key cover ceases to working after exposure to clean tap water or rain, just take out the battery, wipe the electronic component using a paper towel and let it dry completely before putting it back in. If you are exposed to soapy water or salt, it is recommended to clean the chip using isopropyl alcohol or a electronic cleaner before attempting to put the battery back in. Faulty Receiver Module If you've tried a new battery for a button and the key fob cannot be locked or unlocked, it's likely that your receiver module has developed a fault. It's a simple and affordable fix. You can disconnect the battery that is 12 volts for a few minutes (first remove the negative cable, then press the horn a few times) in order to drain any remaining power. Then, reconnect it in reverse. positive cable first, then negative. ESP Warning Light – If the ESP symbol is illuminated, this is normal. It indicates that you're driving on terrain with poor traction. This could be due to gravel, snow or surface water. If the ESP light is constantly on, it indicates that there is a problem in the system. It can be detected by using an iCarsoft i908 seat OBD code reader kit. It will provide you with a a detailed fault description. Dead Coin Battery One of the most common reasons for the seat alhambra key not working is a dead battery. The key fob has a small button cell battery that is able to keep it powered. Replace it with a new battery with the same size, voltage and specifications as the original. If you're replacing the battery ensure that you remove all metal retaining clips from the back of the key fob and ensure that the contacts are clean and free of corrosion. If the key fob has been exposed to water, like soapy or rain it is recommended to remove the battery and clean the electronic chip using alcohol isopropyl or an electronic cleaner prior to installing the new battery. The chip is sensitive to moisture and could be permanently damaged. If the key fob doesn't work after replacing the battery, it could be necessary to replace the key fob. Faulty Receiver Module If your key fob has stopped working after you replaced the battery and it didn't help, or if it suddenly stopped working in a sudden manner, then your receiver module may have developed an issue. The receiver module receives the radio frequency signals from the remote keyfob and transforms them into electrical signals that are then followed by other modules within the car. If the receiver module has suffered a malfunction 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, and also install an entirely new receiver. The key fob comes with rubber seals that stop water from getting into the electronic chip inside. If you immerse the key fob in salty or soapy water it may damage the chips. If your key fob does not work, you can try cleaning the chip with isopropyl or an electronic cleaner. If the keys are successfully paired, but your receiver module isn't working, you can try to restart all of the electronics on board by disconnecting the battery that is 12 volts for a couple of minutes. Then reconnect the battery in reverse order (negative cable first and then positive). This will reset the on-board electronic and restore their functionality. A malfunctioning electronic chip The key fob is fitted with a small chip that transmits the signal from the key to the receiver module each time the key is used. If the signal doesn't match the one stored by the car, the immobilizer will disable the engine and prevent the vehicle from beginning. If the key fob is not working and you are not able to reprogram it this could be due a damaged chip. The chip inside the key fob isn't an irreplaceable part of the device and might have to be replaced in order to function again. The best way to do this is to remove the key from its housing and using a pin or needle to get into contact with each of the retaining clips made of steel. If these clips are damaged or broken, you will need to replace them in order for the remote control to function. Make sure that the replacement batteries have the same voltage, size and specification as the original one. The Seat Alhambra is a well-designed and popular model but, as with any car, it can sometimes experience issues with particular parts or equipment. For example some owners have encountered issues with the automatic climate control system, which can fail and become stuck in a particular setting. In the same way, the infotainment system has also been found to malfunction and cause freeze screens.