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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 resale value. And with a brand new model on sale, it's even better. There are many reasons why your key fob might not work properly, including a dead battery damage to the receiver module, water issues, or signal interference. This article will guide you through the steps to get it back to working. Water Damage If your seat alhambra key fob is able to withstand washing cycles or a bath in the ocean or pool it's likely to have 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 your key fob ceases to functioning after exposure to rain or clean tap water, take out the battery and wipe the electronic component using a paper towel. Allow it to dry completely before replacing the battery. 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 you've tried a new button cell battery and the key fob still cannot be locked or unlocked, it's likely that your receiver module has found a fault. my sources 's a simple and affordable fix. You can disconnect the battery that is 12 volts for a couple of minutes (first remove negative cable, then press the horn numerous times) to remove any remaining power. After that, you can reconnect it in reverse. Positive first and then negative. ESP Warning Light – If the ESP symbol flashes, this is normal. It is a sign that you're driving on terrain that has poor traction. This could be due to snow, gravel or surface water. If the ESP warning light continues to be shining, it is a sign that there is an error within the system. It is best to be detected using an iCarsoft i908 Seat OBD Code Reader which will provide you with a specific fault description. Dead Coin Battery One of the most common reasons for the seat alhambra key to stop working is a dead coin battery. The key fob is powered by a small button-cell battery. It should be replaced with a new one that is identical in size, voltage, and specification as the original. If you're replacing your battery, be sure to remove all metal clips from the back of the key fob. Also, make sure the contacts are free of corrosion. If the key fob has been exposed water, like rain or soapy water it is recommended to take the battery off and clean the electronic chip with alcohol or an electronic cleaner prior to installing the new battery. The chip may be permanently damaged by moisture. If the key fob doesn't function after replacing the battery, it could be necessary 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 in a sudden manner your receiver module might have experienced a malfunction. The receiver module receives the radio frequency signals from your key fob's remote and converts them into electrical commands that are then followed by other modules within the car. If the receiver module has a problem it will not take any commands from your remote key fob. In this case you'll have to visit a dealer to reprogram your key fob and a new receiver module. The key fob comes with rubber seals that block water from entering the chip inside. If you immerse the key fob in soapy water or salty ocean water, the chip inside could be damaged. If your key fob isn't able to work, you could try cleaning the chip using isopropyl or an electronic cleaner. If the keys have been linked, but the receiver module is not working You can try to restart all of the electronics on board by disconnecting the battery with 12 volts for a few minutes. Then, reconnect the battery in reverse order (negative cable first, then positive). This will reset all electronic components on board and restore their functionality. Faulty electronic chip The key fob is equipped with an electronic chip that sends a signal to the receiver module whenever the key is used. If the signal received does not coincide with the one stored by the car, the immobilizer will disable the engine and stop the vehicle from beginning. If the key fob isn't working, and you are unable to reprogram it, it could be due to a defective chip. The chip inside the key fob isn't permanent to the device, and might need to be replaced to get it working again. The best way to do this is to remove the key from its housing and then using a pin or needle to get into contact with each of the metal clips that hold it. You'll have to replace them when they're damaged or damaged by corrosion. Make sure that any replacement batteries have the same voltage, size, and specification as the original. The Seat Alhambra is an attractive and well-designed model however, just like any other vehicle it may encounter issues with particular parts or equipment. For example there have been reports of owners experiencing issues with the automatic climate control system, which can be faulty and get stuck in a particular setting. The infotainment systems can also malfunction and cause freezes on the screens.