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Seat Alhambra Key Problems Seat's Jumbo MPV family is among the best in its class when it comes to resales value. And with a new model now on sale, it's better than ever. There are a myriad of reasons that the key fob may not function properly, including a dead battery damage to the receiver module, water issues or signal interference. This article will walk you through the steps necessary to make sure it works. Water Damage If your seat alhambra key fob survives an wash cycle or bath in the ocean or pool then it's probably equipped with an incredible waterproof chip, but do not make it a habit as exposure to excessive water increases the chance of the key fob being damaged. If the key fob ceases to functioning 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 the battery back in. 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 the key fob does not lock or unlock even after you've replaced the battery in the button cell, it is possible that the receiver module is suffering from a fault. The good news is that it is a fairly easy repair that is inexpensive, you can just remove the battery 12 volts for about a couple of minutes (first remove the negative cable then press the horn button numerous times) to remove any remaining electric current, then reconnect it in reverse order e.g. Positive cable first, then negative. ESP Warning Light If the ESP warning light flashes, it is normal and means that the car is traveling through terrain in which the traction between the road surface and tyres is not ideal such as snow, gravel or a lot of surface water. If the ESP warning light is constantly illuminated it indicates that there is a fault within the system and should be identified using an iCarsoft i908 Seat OBD Code Reader kit which will provide you with a specific fault description. Dead Coin Battery A dead coin battery is one of the most common reasons for the seat alhambra keys to cease to function. The key fob has tiny button cell batteries that keeps it powered. Replace it with a brand new battery with the same voltage, size and specification 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 free of corrosion. If the key fob was exposed to water (such as soapy tap water), it is recommended to remove and clean the chip with an electronic cleaner or isopropyl ethanol before installing a brand new battery. The chip is sensitive to moisture and could be permanently damaged. If the key fob does not work after replacing the battery it may be necessary for you to replace the key fob. Faulty Receiver Module If your key fob was not working after replacing the battery, but it didn't work, or stopped working suddenly the receiver module may have encountered a problem. The receiver module is responsible for receiving the radio frequency signals sent by your remote key fob, and convert them into electrical signals that are then used by other modules in the car. If the receiver module has a problem, it will not accept any commands from your remote key fob. In this case you'll be required to visit a service to reprogram your key fob and a new receiver module. The key fob is sealed with rubber to stop water from entering the electronic chip. If you immerse the key fob in salty or soapy water, it could damage the chip. It is possible to clean the chip by rub it with isopropyl alcohol or electronic cleaner, but in the event that your key fob isn't working after this, you'll have to purchase a replacement. If the keys are linked, but the receiver module is faulty You can try to restart all the electronics that are on board by disconnecting the battery at 12 volts for couple of minutes. Connect the battery in reverse (negative cable to positive first). This will reset the on-board electronic circuits and restore their functionality. A malfunctioning electronic chip The key fob contains tiny electronic chips which transmits a signal the receiver module whenever the key is used. If this signal does not match that stored by the car the immobilizer will shut down the engine and stop the vehicle from starting. If, however, the key fob isn't functioning and you cannot reprogram it this could be due a damaged chip. The chip in the key fob may need to be replaced in order to make it function properly. The best way to do this is to remove the key from its housing and then using a pin or needle to make contact with each of the clips made of metal. If these clips are damaged or damaged, you'll have to replace them to allow the remote control to function. Make seat leon replacement key cost that any replacement batteries have the same voltage, size and specifications as the original one. The Seat Alhambra is an attractive and well-designed model but, as with any car it may encounter issues with specific components or equipment. For example there are owners who have had problems with the automatic climate control system, which can become faulty and stuck in a particular setting. The infotainment system could also fail and cause freezing of the screens.