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Seat Alhambra Key Problems Seat's MPV jumbo family is among the top models in its class when it comes to resales values. With a new model on sale, the family MPV jumbo is more impressive. There are a myriad of reasons that the key fob might not function properly including dead coin battery, water damage, receiver module problems or signal interference. This article will guide you through the steps to get it working. Water Damage If your key fob for the seat Alhambra is able to withstand washing cycles, a dip in the ocean or a pool then it has a waterproof chip. But, you shouldn't do this often because prolonged exposure to water increases the risk that the key fob will be damaged. If your key fob ceases to functioning after being exposed to rain or clean tap water, remove the battery and wipe the electronic component with a towel. Let it dry 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 electronic cleaner. Faulty Receiver Module If the key fob will not lock or unlock after you've replaced the button cell battery it is possible that the receiver module is suffering from an issue. It's a fairly simple and affordable fix. You can unplug the 12 volt battery for a few minutes (first remove the negative cable and then press the horn numerous times) to drain any remaining electricity. Then, reconnect it in reverse. Positive cable first followed by negative. ESP Warning Light If the ESP warning light flashes, it is normal and means that the car is travelling over terrain where the traction between the road surface and the tyres aren't as good, such as gravel, snow or a lot of surface water. If the ESP warning light remains illuminated it indicates that there is a problem within the system and should be identified using an iCarsoft i908 Seat OBD Code Reader which will give you a specific fault description. Dead Coin Battery One of the most common reasons for the seat alhambra key not working is a dead battery. The key fob is powered by a tiny button-cell battery. It should be replaced with a brand new one that is the same voltage, size and specifications as the original. When replacing the battery on the key fob, remove all metal clips and ensure that the contacts on the key fob are clean and free of corrosion. If the key fob was exposed to water (such as rain or soapy tap water) it is recommended that you remove and clean the chip using an electronic cleaner or isopropyl alcohol prior to installing a new battery. The chip is sensitive to moisture and can be permanently damaged. If the key fob 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 did not perform, or stopped working abruptly the receiver module may have encountered a problem. The receiver module is responsible for absorbing the radio frequency signals transmitted by your remote key fob and convert them into electrical signals that are then acted on by other modules in the car. If the receiver module is damaged it will not take any commands from your remote key fob. In this situation, you will be required to visit a service for reprogramming of your key fob as well as a new receiver module. The key fob is sealed by rubber to block water from entering the electronic chip. However, if you submerge your key fob into soapy water or salty ocean water, the chips inside may be damaged. seat key fob can attempt to clean the chip by rubbing it with isopropyl alcohol or electronic cleaner, however if your key fob still does not work after this, then you'll need to buy a new one. If the keys are paired, but the receiver module is faulty, you can try to restart all the electronics on board by disconnecting the battery with 12 volts for a 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. Faulty Electronic Chip The key fob is fitted with a tiny chip which transmits a signal from the key to the receiver module each time the key is used. If the signal doesn't match the one stored by the car the immobilizer will shut down the engine and stop the vehicle from starting. If the key fob doesn't work and you aren't able to reprogram it, it could be because of an incompatible microchip. The chip in the key fob is not a permanent part of the device and may need to be replaced in order to get it working again. This can be accomplished by getting the key fob removed from its housing, and using pins or needles to connect with each metal retaining clip. You'll require replacement in the event of damage or corroded. Make sure that any replacement batteries have the same size, voltage and specifications as the original. The Seat Alhambra is a well-designed and popular model but like any other car it can occasionally experience problems with specific parts or equipment. For example some owners have encountered issues with the auto climate control system, which could fail and become stuck in one specific setting. The infotainment system can also malfunction and freeze the screens.