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Seat Alhambra Key Problems Seat's family MPV jumbo is among the top in the market in terms of keeping resales value. And with a brand new model available it's even more impressive. There are a variety of reasons why the key fob may not work as expected, including an inoperative coin battery or water damage to the receiver module or signal interference. This article will guide you through the steps to get it back in working order. Water Damage If your key fob for the seat alhambra withstands an wash cycle or a dip in an ocean or a pool then it is equipped with a waterproof chip. However, don't do it often because prolonged exposure to water increases the likelihood of the key fob becoming damaged. If the key fob ceases to working after exposure to clean tap water or rain, just take out the battery, wipe the electronic component with a towel and allow it to dry completely before putting the battery back in. In seat key fob of exposure to soapy or salty water, it is recommended to clean the chip with isopropyl alcohol or electronic cleaner prior to attempting to put the battery back in. Faulty Receiver Module If you've tried a new battery for a button and the key fob still cannot be locked or unlocked, it is likely that the receiver module has been faulty. It is a relatively easy and affordable fix. You can remove the battery with 12 volts for a few minutes (first remove the negative cable and then press the horn several times) to remove any remaining power. Then reconnect it in reverse. Positive first and then negative. ESP Warning Light – If the ESP warning light flashes, this is normal and indicates that the car is travelling on terrains that has traction issues between the road surface and the tyres aren't as good, like snow, gravel or lots of surface water. If the ESP light is constantly on, it is a sign that there is a problem in the system. This can be identified with a iCarsoft i908 seat OBD code reader kit. It will provide you with a an in-depth description of the fault. Dead Coin Battery One of the most common reasons for the seat alhambra key not working is a dead battery. The key fob is powered by a tiny button-cell battery. Replace it with a brand new battery that has the same size, voltage, and specifications as the original. When replacing the battery on the key fob, remove the metal clips and make sure that the contacts of the key fob are clean and free of corrosion. If the key fob was exposed to water (such as soapy or rain tap water), it is recommended to remove and clean the chip with an electronic cleaner or isopropyl ethanol before installing a new battery. The chip is sensitive to moisture and could 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 stopped working after replacing the battery and it did not help, or if it just stopped working in a sudden manner the receiver module could have developed a fault. The receiver module is responsible for receiving the radio frequency signals transmitted by the remote key fob and convert them into electrical signals which are then processed by other modules in the car. If the receiver module has developed a fault it will not respond to any of the commands sent by your remote key fob. In this case you will require a dealer to reprogram your key fob, and also install an entirely new receiver. The key fob has rubber seals that stop water from getting into the electronic chip inside. If you immerse your key fob into soapy water or salty ocean water, the chips inside could be damaged. If your key fob won't work, you can try cleaning the chip with isopropyl or electronic cleaner. If the keys are linked, but the receiver module is faulty then you can restart all the electronics on board by disconnecting the 12-volt battery for a few minutes. Then, reconnect the battery in reverse order (negative cable first followed by positive). This will reset all electronic components on board and restore their functionality. Electronic chip that is malfunctioning The key fob is equipped with a tiny chip which transmits an indication from the key to the receiver module each time the key is used. If this signal does not match the one recorded by the car the immobilizer will shut down the engine and prevent the vehicle from starting. If, however, the key fob isn't functioning and you are unable to reprogram it this could be due to a malfunctioning chip. The chip inside the key fob isn't an indefinite part of the device and may need to be replaced to function again. The best method to do this is by removing the key from its housing and using a pin or needle to contact each of the retaining clips made of steel. You will have to replace them when they're damaged or damaged by corrosion. Make sure that any replacement batteries have the same voltage, size and specifications as the original one. Seat Alhambra is a well-known and well-designed model, can be troublesome due to certain components or equipment. For example there have been reports of owners experiencing issues with the auto climate control system, which could fail and become stuck in a specific setting. The infotainment system has also been recognized to malfunction and even freeze screens.