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Seat Alhambra Key Problems Seat's family MPV jumbo is among the best in the class when it comes to retaining resale value. And with a new generation model available it's even more impressive. There are a number of reasons why your key fob might not function properly, including a dead battery damage to the receiver module, water issues, or signal interference. This article will guide you through the steps necessary to fix it. Water Damage If your seat alhambra key fob is able to withstand a wash cycle or a bath in the pool or ocean then it is likely to have an amazing waterproof chip but be careful not to make this a routine as exposure to excessive water increases the risk of the key fob becoming damaged. If your key fob stops functioning after exposure to rain or clean tap water, take out the battery and clean the electronic component using a towel. Allow it to dry completely before replacing the battery. If the battery is exposed to soapy or salty water, it is recommended to wash the chip with alcohol, isopropyl or electronic cleaner prior to attempting to insert the battery back in. Faulty Receiver Module If the key fob will not lock or unlock after you have replaced the battery of the button it is possible that the receiver module has a fault. The good news is that it is a relatively simple and inexpensive repair, you can simply remove the battery 12 volts for just a few minutes (first remove the negative cable and press the horn button a few times) to eliminate any remaining electricity and then reconnect it in reverse order e.g. positive cable first then negative. ESP Warning Light – If the ESP symbol blinks, it is normal. It is a sign that you are driving on a terrain with poor traction. This could be due to snow, gravel or surface water. If the ESP warning light continues to be shining, it is a sign that there is a problem within the system. It should be detected using an iCarsoft i908 Seat OBD Code Reader which will provide a precise fault description. Dead Coin Battery A dead battery for the coin is one of the most common reasons for the seat alhambra keys to cease to function. The key fob is powered by a small button-cell battery. Replace it with a new battery with the same dimensions, voltage and specs as the original. If you are replacing the battery, ensure that you remove all metal retaining clips from the back of the key fob. You should also ensure that the contacts are free of corrosion. If the key fob was exposed to water, such as soapy or rain it is recommended to take the battery off and clean the electronic chip using alcohol isopropyl or an electronic cleaner prior to inserting the new battery. The chip can be permanently damaged by moisture. If the key fob still does not work after replacing the battery, it might be necessary to replace the key fob. Faulty Receiver Module If your key fob stopped working after replacing the battery, but it didn't help, or if it suddenly stopped working out of the blue The receiver module might have developed an issue. The receiver module is responsible to receive the radio frequency signals that are sent by your remote key fob and convert them into electrical signals that are then used by other modules in the car. If the receiver module is damaged, it will not accept any commands from your remote key fob. In this scenario, you will have to visit a dealer to reprogram your key fob and a new receiver module. The key fob is sealed with rubber to stop water from getting into the electronic chip. If you submerge the key fob into salty or soapy water, it could damage the chip. seat ibiza key fob can attempt to clean the chip by applying isopropyl alcohol or electronic cleaner, but if your key fob still does not work after this, then you'll need to purchase a new one. If the keys are in a pair 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 few minutes. Connect the battery in reverse (negative cable to positive first). This will reset the on-board electronic and restore their functionality. Faulty Electronic Chip The key fob is equipped with tiny electronic chips that sends a signal to the receiver module each time the key is used. If the signal does not match the one the car has stored the immobilizer will be disabled and prevent the vehicle from starting. If the key fob does not function and you are not able to reprogram it, it could be because of a faulty microchip. The chip in the key fob could need to be altered in order to get it working again. The most effective method for doing this is by removing the key from its housing and then using a pin needle to get into contact with each of the metal retaining clips. You'll have to replace them if they are damaged or corrosion-prone. Make sure that the replacement batteries have the same size, voltage, and specification as the original. The Seat Alhambra is a well-designed and popular model however, just like any other vehicle it may encounter issues with certain components or equipment. For instance there have been reports of owners experiencing problems with the climate control system, which may malfunction and cause problems in a specific setting. The infotainment system has also been recognized to malfunction and even freeze screens.