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Seat Alhambra Key Problems Seat's jumbo MPV family is among the top in its class when it comes down to resales values. With a new model on sale, the jumbo family MPV is even more impressive. There are many reasons that the key fob may not function correctly, including dead battery water damage, receiver module problems or signal interference. This article will guide you through the steps to get it working. Water Damage If your key fob for the seat alhambra survives washing cycles or dip in the ocean or in a pool, then it's equipped with a waterproof chip. But be careful not to do this often because prolonged exposure to water increases chances that the key fob will be damaged. If the key fob stops working after exposure to clean tap water or rain, simply take out the battery, wipe the electronic component using a paper towel and allow it to dry completely before putting the battery back into. In the event of exposure to soapy or salty water it is recommended to wash the chip with alcohol, isopropyl or 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 isn't locked or unlocking, it is likely that the receiver module has developed a fault. It's a simple and affordable fix. You can unplug the battery that is 12 volts for a few minutes (first remove the negative cable and then press the horn numerous times) to eliminate any remaining electricity. Then reconnect it in reverse. Positive cable first followed by negative. ESP Warning Light – If the ESP symbol is flashing, this is normal. It indicates that you are driving on terrain that has poor traction. This could be caused by snow, gravel or surface water. If the ESP light is always on, it is a sign that there is a problem in the system. This can be identified by using an iCarsoft i908 seat OBD code reader kit. It will provide the full description of the problem. Dead Coin Battery One of the most frequent reasons for the seat alhambra key to stop functioning is a dead coin battery. The key fob is powered by a tiny button-cell battery. Replace it with a new battery that has the same voltage, size and specification as the original. If you are replacing the battery, be sure to remove all metal clips from the back of the key fob. Also, ensure that the contacts are clean and free of corrosion. If the key fob has been exposed to water, such as soapy or rain, it's recommended that you remove the battery and clean the electronic chip using alcohol isopropyl or an electronic cleaner prior to installing the new battery. The chip is susceptible to moisture and could be permanently damaged. If seat keys replacement fob doesn't work after replacing the battery it may be necessary for you to replace the key fob. Faulty Receiver Module If your key fob has stopped working after you replaced the battery but it did not help, or it suddenly stopped working out of the blue it is possible that your receiver module could 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 used by other modules within the car. If the receiver module has developed a fault and is unable to respond to any of the commands received by your remote key fob. In this scenario you'll have to visit a dealer to reprogramme your key fob and a new receiver module. The key fob is encased with rubber to stop water from leaking into the electronic chip. If you dip the key fob in soapy or salty water, it could damage the chip. If your key fob does not function, you can try cleaning the chip with isopropyl or an electronic cleaner. If the keys have been successfully paired, but your receiver module is faulty it is possible to restart all the electronics in the board by disconnecting the battery at 12 volts for couple of minutes. Then, reconnect the battery in reverse order (negative cable first, then positive). This will reset the onboard electronic circuit and restore their functionality. Electronic Chip Faulty The key fob is fitted with a tiny chip that transmits an indication from the key to the receiver module every time the key is used. If the signal does not match the one the car has stored the immobilizer is disabled and stop the vehicle from starting. If the key fob isn't working and you can't reprogram it this could be due to a faulty chip. The chip inside the key fob isn't an indefinite part of the device and may need to be replaced to function again. The most effective method for doing this is by removing the key from its housing and using a pin needle to contact each of the retaining clips made of steel. You'll have to replace them if they are damaged or corrosion-prone. Make sure the replacement batteries are of the same voltage, size and specifications as the original. The Seat Alhambra is a well-designed and popular car but like any other car it is not without its challenges. issues with specific components or equipment. Some owners have reported problems with the climate control system that is automatic. It is prone to malfunction and become stuck in a specific setting. The infotainment system has also been found to malfunction and cause freeze screens.