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Seat Alhambra Key Problems Seat's jumbo family MPV is among the best in the market in terms of keeping resales value. With a new generation model on sale, it's even better. There are many reasons the key fob might not perform as it should, including the battery being dead damage to the receiver module or signal interference. This article will guide you through the steps necessary to fix it. seat car key cover If your seat alhambra key fob can withstand washing cycles or a bath in the ocean or pool then it's probably equipped with 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 ceases to functioning after exposure to clean tap water or rain, then just remove the battery, wipe the electronic component with a towel and allow it to dry completely before putting it back in. If you are exposed to soapy water or salt, it is recommended to clean the chip with isopropyl alcohol or an electronic cleaner prior to attempting to insert the battery back in. Faulty Receiver Module If you've tried a new battery for a button and the key fob does not lock or unlock, it's likely the receiver module has found a fault. It's a fairly simple and affordable fix. You can disconnect the battery with 12 volts for a couple of minutes (first remove negative cable, then press the horn a few times) to drain any remaining electricity. After that, you can reconnect it in reverse. positive first, then negative cable later. ESP Warning Light – If the ESP symbol blinks, it is normal. It means that you are driving over terrain that has poor traction. This could be due to snow, gravel or surface water. If the ESP warning light remains illuminated it indicates that there is a problem within the system. It should be diagnosed using a iCarsoft i908 Seat OBD Code Reader which will give you a specific fault description. Dead Coin Battery One of the most frequent reasons for the seat alhambra key not working is a dead coin battery. The key fob is powered by a tiny button-cell battery. Replace it with a new battery that has the same size, voltage, and specifications as the original. If you are replacing the battery, be sure to remove all metal retaining clips from the back of the key fob. Also, ensure that the contacts 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 ethanol before installing a brand new battery. The chip is sensitive to moisture and can be permanently damaged. If the key fob still doesn't work after replacing the battery, it could be necessary to replace the key fob. Faulty Receiver Module If your key fob has stopped working after replacing the battery and it did not help, or if it suddenly stopped working out of the blue it is possible that your receiver module could have developed a fault. The receiver module takes the radio frequency signals from your key fob's remote and converts them into electrical commands which are then used by other modules in the car. If the receiver module has a problem it will not be able to accept any commands from your remote key fob. In this case, a dealer will need to reprogram your key fob as well as install an additional receiver. The key fob features rubber seals that prevent water from entering the chip inside. If you submerge the key fob into salty or soapy water, it could cause damage to the chip. If your key fob won't work, try cleaning the chip using isopropyl or an electronic cleaner. If the keys have been connected, but the receiver module is faulty You can try to restart all the electronics in the board by disconnecting the battery that is 12 volts for a couple of minutes. Connect the battery in reverse (negative cable to positive first). This will reset the on-board electronic circuit and restore their functionality. Electronic chip that is malfunctioning The key fob is equipped with a chip that transmits an indication from the key to the receiver module each time the key is used. If the signal doesn't match the one recorded by the car the immobilizer is able to shut off the engine and prevent the vehicle from beginning. If the key fob you purchased does not function and you are not able to reprogram it, this could be due to a malfunctioning microchip. The chip inside the key fob isn't a permanent part of the device, and might need to be replaced in order to function again. The best way to do this is to remove the key from its housing and using a pin or needle to contact each of the metal clips that hold it. If the clips are corroded, or damaged, you'll have to replace them in order for the remote control to function. Make sure any replacement batteries are of the same voltage, size, and specification as the original. The Seat Alhambra is a well-designed and popular car but like any other car, it can sometimes experience problems with specific components or equipment. Some owners have reported issues with the automatic climate-control system. It could fail and get stuck in a specific setting. In the same way, the infotainment system has also been known to malfunction and freeze screens.