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Seat Alhambra Key Problems Seat's jumbo family MPV is among the top in the market in terms of retaining resale value. With a new model currently on sale, the jumbo family MPV is even more impressive. There are many reasons that the key fob might not work properly including dead coin battery, water damage, receiver module problems or signal interference. This article will guide you through the steps needed to get it back to working. Water Damage If your key fob for the seat alhambra survives an wash cycle or dip in the ocean or a pool, then it's got a waterproof chip. But be careful not to do this often because prolonged exposure to water increases chances of the key fob being damaged. If the key fob ceases to functioning after exposure to clean water from the tap or rain, just take out the battery, wipe the electronic component with paper towel and let it dry completely before putting it back in. If the battery is exposed to soapy or salty water, it is recommended to wash the chip using isopropyl alcohol or a electronic cleaner prior to attempting to put the battery back in. Faulty Receiver Module If you've tried an entirely new battery for your button and the key fob still isn't locked or unlocking, it's likely the receiver module has been faulty. The good thing is that this is a simple and cost-effective fix. You can remove the battery 12 volts for a few minutes (first remove the negative cable then press the horn button numerous times) to drain any residual 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 on terrain in which the traction between the road surface and tyres isn't optimal, such as snow, gravel or a lot of surface water. If the ESP warning light remains shining, it is a sign that there is an error within the system and should be identified using an iCarsoft i908 Seat OBD Code Reader kit that will provide a precise fault description. Dead Coin Battery One of the most common reasons for the seat alhambra key to stop functioning is a dead coin battery. The key fob is powered by a small button-cell battery. Replace it with a brand new battery with the same size, voltage, 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 in good condition and free of corrosion. If the key fob was exposed to water, such as soapy or rain, it's recommended that you remove the battery and clean the electronic chip using alcohol or an electronic cleaner prior to installing the new battery. The chip is susceptible to moisture and could be permanently damaged. If the key fob doesn't work after replacing the battery, it might be necessary to replace the key fob. Faulty Receiver Module If your key fob has stopped working after replacing the battery and it didn't help, or it suddenly stopped working without notice The receiver module might have developed an issue. The receiver module is responsible to receive the radio frequency signals that are sent by your remote key fob and changing them into electrical signals that are then utilized 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 situation it is necessary for a dealer to reprogramme the key fob, and also install a new receiver. The key fob comes with rubber seals to prevent water from entering the chip inside. However, if you submerge the key fob in soapy water or salty ocean water, the chips inside could be damaged. key seat is possible to clean the chip by applying isopropyl alcohol or electronic cleaner, however if your key fob still isn't working after all this, then you'll need to buy a new one. If the keys have been connected, but the receiver module is not working You can try to restart all of the electronics on board by disconnecting the battery at 12 volts for few minutes. Then reconnect the battery in reverse order (negative cable first, then positive). This resets all the on-board electronics and should restore their functionality. Faulty electronic chip The key fob comes with a small chip that transmits a signal from the key to the receiver module every time the key is used. If the signal does not match the one the car has stored the immobilizer will turn off and stop the vehicle from starting. If, however, the key fob isn't working, and you are unable to reprogram it the issue 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 most effective method for doing this is by removing the key from its housing and using a pin or needle to contact each of the metal clips that hold it. You will need to replace these if they are damaged or damaged or corroded. Make sure any replacement batteries are of the same size, voltage and specifications as the original. Seat Alhambra is a popular and well-designed model, may be a bit troublesome with certain parts or components. A few owners have reported issues with the auto climate control system. It may fail and cause problems, and then get stuck in a certain setting. The infotainment systems can also fail and cause freezing of the screens.