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Seat Alhambra Key Problems Seat's family MPV jumbo is among the best in the class when it comes to maintaining resale value. And with a brand new model available, it's even better. There are a myriad of reasons why your key fob may not function properly, including a dead battery, damage to the receiver module, water problems or signal interference. This article will walk you through the steps to get it back in working order. Water Damage If your seat alhambra key fob survives an wash cycle or bath in the ocean or pool then it probably has an amazing waterproof chip but don't make this a habit because exposure to water in excess increases the chance of the key fob becoming damaged. If the key fob stops working after exposure to clean tap water or rain, just take out the battery, clean the electronic component with paper towel and let it dry completely before putting it back in. If the key fob has been exposed to salty or soapy water it is recommended you clean the chip using isopropyl or an electronic cleaner. Faulty Receiver Module If the key fob does not lock or unlock even after you've replaced the battery for the button It is possible that the receiver module is suffering from a fault. It's a relatively simple and cheap fix. You can remove the 12 volts battery for a few minutes (first remove the negative cable and then press the horn numerous times) in order to drain any remaining electricity. After that, you can reconnect it in reverse. positive first, then negative. ESP Warning Light If the ESP warning light flashes, it is normal and signifies that the vehicle is driving over terrain where the traction of the road surface and the tyres is not ideal like gravel, snow or lots of surface water. If the ESP warning light is continuously illuminated it indicates that there is a glitch in the system. This can be identified using an iCarsoft i908 Seat OBD Code Reader which will provide a precise fault description. Dead Coin Battery One of the most frequent reasons for the seat alhambra key not working is a dead battery. The key fob has tiny button cell batteries that is able to keep it powered. Replace TheKeyLab with a brand new battery that is the same dimensions, voltage and specs as the original. If you're replacing the battery ensure that you remove all metal clips from the back of the key fob. Also make sure that the contacts are free of corrosion. If the key fob was exposed to water (such as soapy tap water), it is recommended that you remove and clean the chip with an electronic cleaner or isopropylethanol before installing a new battery. The chip can be permanently damaged by moisture. If the key fob is still not working after replacing the battery, it could 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 just stopped working in a sudden manner it is possible that your receiver module might have developed a fault. The receiver module receives radio frequency signals from your remote keyfob and transforms them into electrical signals which are then used by other modules inside the car. If the receiver module has suffered a malfunction and is unable to respond to any of the commands received by your remote key fob. In this scenario, you will be required to visit a service for reprogramming of the key fob, and also a new receiver module. The key fob is encased by rubber to block water from entering the electronic chip. If you submerge the key fob in soapy or salty water, it could damage the chip. If your key fob does not work, you can try cleaning the chip with isopropyl or an electronic cleaner. If the keys have been paired but the receiver module has developed a fault you can try restarting all electronics on board by removing the 12 volt battery for a few minutes. Connect the battery in reverse (negative cable to positive first). This will reset the onboard electronic and restore their functionality. Electronic chip that is malfunctioning The key fob contains tiny electronic chips that transmits a signal to the receiver module when the key is used. If the signal doesn't match the one recorded by the car, the immobilizer will disable the engine and stop the vehicle from starting. However, if the fob is not working and you are not able to reprogram it the issue could be due to a defective chip. 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 pins or needles to make contact with each metal retaining clip. If they are corroded or broken, you will need to replace them to allow the remote control to work. Make sure that any replacement batteries have the same size, voltage, and specification as the original. The Seat Alhambra is an attractive and well-designed model however, just like any other vehicle, it can sometimes experience issues with certain components or equipment. Some owners have reported problems with the climate control system that is automatic. It can malfunction and become stuck in a particular setting. The infotainment system has also been reported to malfunction and freeze screens.