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Seat Alhambra Key Problems Seat's jumbo family MPV is one of the best in the class in terms of retaining resale value. And with a new generation model now available it's even more impressive. There are many reasons the key fob might not perform as it should, including an unresponsive coin battery, water damage to the receiver module or signal interference. This article will guide you through the steps to get it working again. Water Damage If your seat alhambra key fob is able to withstand the wash cycle or a bath in the pool or ocean then it probably has an incredible waterproof chip, but be careful not to make this a routine because exposure to water in excess increases the chance of the key fob being damaged. If the key fob stops working after exposure to clean water from the tap or rain, simply take out the battery, wipe the electronic component using a paper towel and let it dry completely before putting it back in. If the key fob has been exposed to soapy or salty water and salty water, it is recommended you clean the chip with isopropyl or an electronic cleaner. Faulty Receiver Module If you have tried a new battery for a button and the key fob still does not lock or unlock, it is likely that the receiver module has discovered a problem. The good thing is that this is a simple and cost-effective fix. You can disconnect the battery for a few minutes (first take off the negative cable and press the horn button several times) to eliminate any remaining electricity and then reconnect it in reverse order e.g. Positive first followed by negative. ESP Warning Light If the ESP warning symbol flashes this is normal and signifies that the car is traveling on terrains where the traction of the road surface and tyres isn't optimal, such as snow, gravel or lots of surface water. If the ESP warning light continues to be flashing, it means there is a glitch in the system. It should be diagnosed using a iCarsoft i908 Seat OBD Code Reader kit which will give you a specific fault description. Dead Coin Battery One of the most common reasons for the seat alhambra key not functioning is a dead coin battery. The key fob is powered by a small button-cell battery. Replace it with a brand new battery that is the same voltage, size and specification as the original. When replacing the battery on the key fob, remove the metal clips and make sure 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 with an electronic cleaner or isopropyl ethanol before installing a brand new battery. The chip is sensitive to moisture and can be permanently damaged. If the key fob is still not working after replacing the battery, it may be necessary to replace the entire key fob. Faulty Receiver Module If your key fob stopped working after replacing the battery but it didn't work, or suddenly stopped working the receiver module could have experienced a malfunction. The receiver module receives the radio frequency signals from the remote keyfob and converts them into electrical commands that are then processed by other modules in the car. If the receiver module has suffered a malfunction and is unable to respond to any of the commands sent by your remote key fob. In this scenario, a dealer will need to reprogramme the key fob as well as install an entirely new receiver. The key fob is sealed with rubber to stop water from entering the electronic chip. If you immerse your key fob into the ocean's salty or soapy water, the chip inside could be damaged. If your key fob isn't able to work, you could try cleaning the chip with isopropyl or an electronic cleaner. If the keys are paired, but the receiver module isn't working it is possible to restart all the electronics in the board by disconnecting the battery that is 12 volts for a few minutes. Connect the battery in reverse (negative cable to positive first). This will reset the onboard electronic and restore their functionality. Faulty electronic chip The key fob comes with a chip that transmits the signal from the key to 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 starting. However, if the fob is not working and you are unable to reprogram it this could be due to a malfunctioning chip. The chip inside the key fob isn't a permanent part of the device, and might need to be replaced to get it working again. key seat G28 Car Keys to do this is by removing the key from its housing and then using a pin or needle to get into contact with each of the metal retaining clips. If they are corroded or damaged, you'll have to replace them to allow the remote control to work. Make sure that the replacement batteries are of the same size, voltage, and specification as the original. Seat Alhambra is a popular and well-designed model, could have problems with certain components or equipment. A few owners have reported issues with the climate control system that is automatic. It may malfunction and become stuck in a particular setting. The infotainment system may also fail and cause freezing of the screens.