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Seat Alhambra Key Problems Seat's jumbo MPV range is among the top models in its class when it comes down to resales values. With a new model on sale the family MPV jumbo is better. There are a variety of reasons why the key fob could not function properly, such as a dead coin battery or water damage, receiver module issues or signal interference. This article will walk you through the steps to get it back in working order. Water Damage If your seat alhambra key fob is able to withstand washing cycles or a bath in the pool or ocean then it is likely to have an amazing waterproof chip. However, don't make this a habit because exposure to water in excess increases the risk of the key fob becoming damaged. If your key fob stops functioning after being exposed to rain or clean tap water, take out the battery and wipe the electronic component using a paper towel. Let it dry completely before replacing the battery. In case of exposure to soapy or salty water, it is recommended that you clean the chip with isopropyl alcohol or electronic cleaner prior to trying to put the battery back in. Faulty Receiver Module If you have tried a new button cell battery and the key fob still doesn't lock or unlock then it's likely that the receiver module has found a fault. The positive side is that this is a fairly easy and affordable fix, you can remove the battery 12 volts for just a few minutes (first take off the negative cable then press the horn button numerous times) to eliminate any remaining electricity, and then connect it in reverse order e.g. Positive first followed by negative. seat alhambra key programming If the ESP warning symbol flashes this is normal and signifies that the car is traveling over terrain where the traction of the road surface and the tyres isn't optimal, such as gravel, snow or lots of surface water. If the ESP light is constantly on, it means that there is a fault in the system. It is possible to identify the problem with a iCarsoft i908 seat OBD code reader kit. It will provide you with a a detailed fault description. Dead Coin Battery A dead coin battery is one of the most frequent causes for the keys for the seat to cease to function. The key fob is powered by a tiny button-cell battery. It is recommended to replace it by a new battery that has identical in size, voltage, 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 to remove and clean the chip using an electronic cleaner or isopropyl alcohol before installing a new battery. The chip may be permanently damaged by moisture. If the key fob is 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 stopped working completely suddenly the receiver module could have developed an issue. The receiver module is responsible for capturing 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 the receiver module has a problem it will not take any commands from your remote key fob. In this instance the dealer will have to reprogramme the key fob as well as install an additional receiver. The key fob is covered by rubber to block water from entering the electronic chip. However, if you submerge your key fob into the ocean's salty or soapy water, the chip inside could be damaged. It is possible to clean the chip by using isopropyl Alcohol to rub it or electronic cleaner, however should your key fob isn't working after all this, you'll have to purchase a replacement. If the keys are paired but the receiver module has developed a fault, you can try rebooting all of the onboard electronics by disconnecting the battery that is 12 volts for a short period of time. Connect the battery in reverse (negative cable to positive first). This resets all the electronic components onboard and bring them back to their original functionality. Electronic chip that is malfunctioning The key fob is equipped with a chip that transmits a 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 turn off and stop the vehicle from starting. If the key fob is not working and you are not able to reprogram it the issue could be due a damaged chip. The chip inside the key fob may need change to make it work again. The best method to do this is to remove the key from its housing and then using a pin needle to connect with each of the retaining clips made of steel. You will need to replace these if they are damaged or corrosion-prone. Make sure that any replacement batteries are of the same size, voltage and specification as the original. Seat Alhambra, a popular and well-designed model, can have problems with certain components or equipment. For instance there are owners who have had problems with the climate control system, which may fail and become stuck in a specific setting. The infotainment system can also fail and freeze the screens.