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Seat Alhambra Key Problems Seat's jumbo MPV family is among the top models in its class when it comes down to resales value. And with a brand new model on sale, it's better than ever. There are a variety of reasons why your key fob might not work properly, including a dead battery or damage to the receiver module, water problems or signal interference. This article will walk you through the steps 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 then it is likely to have an amazing waterproof chip but be careful not to make this a routine because prolonged exposure to water increases the risk of the key fob being damaged. If your key fob ceases to functioning after exposure to rain or clean tap water, you should remove the battery and wipe the electronic component using a towel. Dry it completely before replacing the battery. If the key fob was exposed to soapy or salty water it is recommended you clean the chip with isopropyl or an electronic cleaner. Faulty Receiver Module If the key fob does not lock or unlock even after you've replaced the battery of the button it could be that the receiver module is suffering from an issue. The good news is that it is an easy and affordable fix, you can disconnect the 12 volt battery for just a few minutes (first remove 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 cable first, then negative. ESP Warning Light – If the ESP symbol is illuminated, this is normal. It means that you are driving over terrain that has poor traction. This could be due to snow, gravel or surface water. If the ESP warning light continues to be illuminated it indicates that there is an error within the system and should be diagnosed using a iCarsoft i908 Seat OBD Code Reader, which will provide you with a specific fault description. Dead Coin Battery One of the most frequent reasons for the seat alhambra key to stop working is a dead coin battery. The key fob is powered by a tiny button-cell battery. Replace it with a brand new battery that is the same voltage, size and specification as the original. If you are replacing the battery, ensure that you remove all metal retaining clips from the back of the key fob. You should also make sure that the contacts are clean and free of corrosion. If seat keys was exposed to water (such as soapy or rain tap water) it is recommended that you remove and clean the chip with an electronic cleaner or isopropyl alcohol prior to installing a new battery. The chip can be permanently damaged by moisture. 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 did not perform, or suddenly stopped working the receiver module may have developed a problem. The receiver module receives radio frequency signals from your remote keyfob, and converts them into electrical commands which are then acted upon by other modules in the car. If the receiver module has developed a fault and is unable to respond to any of the commands transmitted by your remote key fob. In this scenario you will require a dealer to reprogram your key fob as well as install an entirely new receiver. The key fob is fitted with rubber seals that stop water from entering the electronic chip inside. However, if you submerge your key fob into salty or soapy water, the chip inside may be damaged. If your key fob won't work, try cleaning the chip using isopropyl or an electronic cleaner. If the keys are connected, but the receiver module isn't working it is possible to restart all the electronics that are on board by disconnecting the 12-volt battery 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. Electronic chip that is malfunctioning The key fob contains an electronic chip that transmits a signal to the receiver module each time the key is used. If the signal doesn't match the one recorded by the car, the immobilizer will disable the engine and prevent the vehicle from beginning. If the key fob you purchased does not function and you are not able to reprogram it, this could be because of a malfunctioning microchip. The chip in the key fob may have to be replaced to allow it to function again. The best way to do this is by removing the key from its housing and using a pin or needle to contact each of the retaining clips made of steel. If they are corroded or damaged, you'll have to replace them in order for the remote control to work. Make sure that the replacement batteries are the same size, voltage and specification as the original. Seat Alhambra is a well-known and well-designed model, can have problems with certain components or equipment. There have been reports of problems with the automatic climate control system. It is prone to fail and get stuck in a particular setting. The infotainment system could also fail and cause freezing of the screens.