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Seat Alhambra Key Problems Seat's jumbo family MPV is one of the best in class when it comes to keeping resales value. With a new generation model now available it's even more impressive. There are a myriad of reasons why the key fob could not function properly including dead coin battery or water damage, receiver module problems or signal interference. This article will walk you through the steps to fix it. Water Damage If your key fob for the seat Alhambra is able to withstand an wash cycle or dip in the ocean or a pool, then it's equipped with a waterproof chip. But be careful not to do this often as excessive exposure to water increases the chance of the key fob getting damaged. If your key fob stops functioning after being exposed to rain or clean tap water, you should remove the battery and clean the electronic component with a paper 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 an electronic cleaner. Faulty Receiver Module If the key fob will not lock or unlock after you have replaced the battery for the button it could be that the receiver module is suffering from an issue. The good thing is that this is an easy and inexpensive repair, you can simply remove the battery 12 volts for just a few minutes (first take off the negative cable then press the horn button several times) to drain any residual electricity and then reconnect it in reverse order e.g. positive cable first then negative cable later. ESP Warning Light – If the ESP symbol is illuminated, this is normal. It indicates that you are driving on terrain with poor traction. This could be due to gravel, snow or surface water. If the ESP light is constantly on, it is a sign that there is a flaw in the system. This can be identified by using an iCarsoft i908 seat OBD code reader kit. It will give you an in-depth description of the fault. Dead Coin Battery One of the most common reasons for the seat alhambra keys to stop functioning is a dead coin battery. The key fob has tiny button cell batteries that keeps it powered. Replace it with a new battery that has the same dimensions, voltage and specs as the original. If you're replacing the battery, ensure that you remove all metal retaining clips from the back of the key fob and make sure the contacts are free of corrosion. If the key fob was exposed to water (such as soapy tap water), it is recommended that you remove and clean the chip with an electronic cleaner or isopropyl ethanol before installing a new battery. The chip may be permanently damaged by moisture. If the key fob still not working after replacing the battery, it might be necessary to replace the entire key fob. Faulty Receiver Module If your key fob has stopped working after you replaced the battery but it did not help, or it just stopped working suddenly, then your receiver module could have developed a fault. The receiver module is responsible for receiving the radio frequency signals that are sent by your remote key fob, and changing them into electrical signals that are then acted on by other modules in the car. If g28carkeys.co.uk has a problem, it will not accept any commands from your remote key fob. In this instance, a dealer will need to reprogram your key fob as well as install the new receiver. The key fob has been sealed with rubber to prevent water from getting into the electronic chip. If you submerge the key fob into salty or soapy water it may damage the chips. If your key fob does not work, try cleaning the chip using isopropyl or electronic cleaner. If the keys have been paired but the receiver module has developed a fault, you can try to reboot all electronics on board by removing the battery that is 12 volts for a short period of time. Then, reconnect the battery in reverse order (negative cable first, then positive). This will reset the on-board electronic circuit and restore their functionality. Faulty electronic chip The key fob has a small electronic chip that transmits a message to the receiver module when 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 stop the vehicle from starting. If the key fob isn't functioning and you are not able to reprogram it, it could be due to a faulty chip. The chip in the key fob could need to be changed in order to make it function properly. The most effective method for doing this is to remove the key from its housing and then using a pin or needle to get into contact with each of the metal clips that hold it. If they 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 specifications as the original. The Seat Alhambra is a well-designed and popular model but, as with any car it can occasionally experience issues with particular parts or equipment. For instance some owners have encountered issues with the auto climate control system, which may malfunction and cause problems in one particular setting. The infotainment system may also malfunction and cause freezes on the screens.