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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 resale values. And with a new model now on sale it's even more impressive. There are a myriad of reasons the key fob might not work properly, including the battery being dead, water damage to the receiver module, or signal interference. This article will guide you through the steps needed to get it back to working. Water Damage If your seat alhambra key fob can withstand an wash cycle or bath in the ocean or pool then it probably has an incredible waterproof chip, but do not use it regularly since exposure to excessive water increases the chance of the key fob getting damaged. If the key fob ceases to functioning after exposure to clean water from the tap or rain, simply take out the battery, clean the electronic component using a paper towel and allow it to dry completely before putting it back into. If The Keylab are exposed to soapy or salty water, it is recommended that you clean the chip with isopropyl alcohol or electronic cleaner prior to attempting to insert the battery back in. Faulty Receiver Module If you have tried the battery of a button cell and the key fob still cannot be locked or unlocked, it's likely that the receiver module has found a fault. The good news is that this is a simple and affordable fix, you can just disconnect the 12 volt battery for a few minutes (first take off the negative cable, then press the horn button multiple times) to drain any residual electricity, and then connect it in reverse order e.g. positive cable first, then negative. ESP Warning Light – If the ESP symbol blinks, it is normal. It indicates that you are driving on a terrain that has poor traction. This could be caused by snow, gravel or surface water. If the ESP light is constantly on, it is a sign that there is a flaw in the system. It is possible to identify the problem by using an iCarsoft i908 seat OBD code reader kit. It will provide you with a a detailed fault description. Dead Coin Battery A dead battery for the coin is one of the most frequent reasons for the keys for the seat to stop working. The key fob is powered by an insignificant button cell battery which keeps it powered. Replace it with a 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 has been exposed to water, such as rain or soapy water, it's recommended that you remove the battery and clean the electronic chip with alcohol isopropyl or an electronic cleaner prior to installing the new battery. The chip could be permanently damaged by moisture. If the key fob still isn't working after replacing the battery it could be necessary to replace the key fob. Faulty Receiver Module If your key fob stopped functioning after replacing the battery but it didn't perform, or stopped working in a sudden manner, your receiver module could have encountered a problem. The receiver module is responsible for receiving the radio frequency signals sent by the remote key fob and changing them into electrical signals that are then acted on by other modules in your car. If the receiver module is defective and is not able to take any commands from your remote key fob. In this instance you'll have to visit a dealer for reprogramming your key fob and a new receiver module. The key fob features rubber seals that stop water from entering the electronic chip inside. If you immerse the key fob in soapy or salty water, it could damage the chip. If your key fob isn't able to work, you can try cleaning the chip using isopropyl or electronic cleaner. If the keys have been successfully paired, but your receiver module is malfunctioning, 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 and restore their functionality. Faulty electronic chip The key fob contains tiny electronic chips which transmits a signal the receiver module every time the key is used. If the signal isn't in line with the one that the car has stored the immobilizer will be disabled and prevent the vehicle from starting. If the key fob is not working and you can't reprogram it then it could be due to a malfunctioning chip. The chip inside the key fob isn't an irreplaceable part of the device and could need to be replaced in order to make it work again. This can be done by removing the key fob from its housing and using a needle or pin to touch each metal clip. If the clips are corroded, or broken, you will have to replace them in order for the remote control to function. Make sure that any replacement batteries are the same voltage, size and specification as the original one. Seat Alhambra, a renowned and well-designed model, could be a bit troublesome with certain parts or components. For instance there are owners who have had issues with the automatic climate control system, which may become faulty and stuck in a specific setting. The infotainment system can also malfunction and cause freezes on the screens.