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Seat Alhambra Key Problems Seat's jumbo family MPV is one of the best in the market in terms of retaining resale value. With a new model on sale, the Jumbo family MPV is better. There are a number of reasons why the key fob may not function properly, such as a dead coin battery or water damage, receiver module problems or signal interference. This article will guide you through the steps to get it working again. Water Damage If your key fob for the seat alhambra can withstand a wash cycle or a dip in an ocean or in a pool, then it is equipped with a waterproof chip. However, don't do it often, as prolonged exposure to water can increase the risk of the key fob becoming damaged. If your key fob ceases to working after exposure to rain or clean tap water, take out the battery and clean the electronic component using a paper towel. Allow it to dry completely before replacing the battery. If the key fob was exposed to soapy or salty water it is recommended you clean the chip using isopropyl or electronic cleaner. Faulty Receiver Module If the key fob will not lock or unlock after having replaced the battery in the button cell, it is possible that the receiver module has an issue. The good thing is that this is a relatively simple repair that is inexpensive, you can remove the battery 12 volts for a few minutes (first remove the negative cable and press the horn button a few times) to drain any residual electricity, and then connect it in reverse order e.g. Positive cable first and then negative. ESP Warning Light – If the ESP symbol is flashing, this is normal. It means that you're driving on terrain with poor traction. This could be due to gravel, snow or surface water. If the ESP light is always on, it means that there is a fault in the system. This can be diagnosed with a iCarsoft i908 seat OBD code reader kit. It will give you the full description of the problem. Dead Coin Battery A dead battery for the coin is among the most common causes for the seat alhambra keys to cease to function. The key fob is powered by a small button-cell battery. It should be replaced with a replacement with exactly the same size, voltage, and specification as the original. If you're replacing the battery, ensure that you remove all metal clips from the back of the key fob. Also, make seat ibiza key fob not working that the contacts are clean and free of corrosion. If the key fob was exposed to water, such as rain or soapy water, it's recommended that you remove the battery and clean the electronic chip using isopropyl alcohol or a electronic cleaner prior to putting in the new battery. The chip is susceptible to moisture and could be permanently damaged. 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 replacing the battery, but it did not help, or it stopped working completely in a sudden manner, then your receiver module may have developed an issue. The receiver module takes the radio frequency signals from the remote keyfob and converts them into electrical commands which are then acted upon by other modules inside the car. If the receiver module has suffered a malfunction and is unable to respond to any of the commands received by your remote key fob. In this situation, you will need to visit a dealer for reprogramming your key fob and new receiver module. The key fob is covered by rubber to block water from leaking into the electronic chip. If you immerse your key fob in salted or soapy ocean water, the chip inside could be damaged. You can try cleaning the chip by rub it with isopropyl alcohol or electronic cleaner, however in the event that your key fob does not work after this, you'll have to purchase a new one. If the keys are linked, but the receiver module is faulty then you can restart all the electronics on board by disconnecting the battery with 12 volts for a couple of minutes. Then reconnect the battery in reverse order (negative cable first, then positive). This will reset all the electronic components onboard and bring them back to their original functionality. Electronic Chip Faulty The key fob contains a small electronic chip which transmits a signal the receiver module when the key is used. If the signal isn't in line with the one the car has stored the immobilizer will be disabled and prevent the vehicle from starting. If the key fob does not work and you are unable to reprogram it, it could be because of a faulty microchip. The chip inside the key fob is not an irreplaceable part of the device and could 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 get into contact with each of the retaining clips made of steel. You'll need to replace these when they're damaged or corroded. Make sure that any replacement batteries are the same size, voltage and specification as the original one. Seat Alhambra is a well-known and well-designed car, can have issues with certain components or equipment. Some owners have reported issues with the automatic climate control system. It could fail and get stuck in a certain setting. The infotainment system has also been known to malfunction and freeze screens.