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Seat Alhambra Key Problems Seat's family MPV jumbo is among the top in class in terms of keeping resales value. And with a brand new model available it's even better. There are a myriad of reasons the key fob may not work as expected, including the battery being dead damage to the receiver module or signal interference. This article will guide you through the steps to make it work again. Water Damage If your key fob for the seat alhambra withstands the wash cycle, a dip in the ocean or a pool then it's equipped with a waterproof chip. But don't do this often because prolonged exposure to water increases the chance of the key fob becoming damaged. If the key fob ceases to working after exposure to clean water from the tap or rain then simply remove the battery, clean the electronic component with a paper towel and allow it to dry completely before putting the battery back into. In the event of exposure to soapy water or salt, it is recommended to wash the chip with alcohol, isopropyl or electronic cleaner prior to attempting to put the battery back in. Faulty Receiver Module If you have tried the battery of a button cell and the key fob cannot be locked or unlocked, it's likely that your receiver module has discovered a problem. The good news is that it is a simple and affordable fix, you can remove the battery 12 volts for just a few minutes (first remove the negative cable then press the horn button numerous times) to eliminate any remaining electrical current and then reconnect it in reverse order e.g. Positive cable first, then negative. ESP Warning Light – If the ESP warning light flashes, it is normal and means that the car is driving on terrains that has traction issues between the road surface and the tyres isn't ideal, like snow, gravel or lots of surface water. If the ESP warning light is constantly illuminated it indicates that there is a glitch in the system and should be detected using an iCarsoft i908 Seat OBD Code Reader which will provide you with a specific fault description. Dead Coin Battery A dead battery for the coin is one of the most frequent causes for the seat alhambra keys to stop working. The key fob has a small button cell battery which keeps it powered. It is recommended to replace it by a new battery that has the same voltage, size, and specification as the original. If you're replacing the battery, be sure to remove all metal retaining clips from the back of the key fob. Also, make sure that the contacts are clean and free of corrosion. If the key fob was exposed to water, such as rain or soapy water it is recommended to take the battery off and clean the electronic chip with isopropyl alcohol or an electronic cleaner prior to inserting the new battery. The chip is susceptible to moisture and could be permanently damaged. 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 stopped working after replacing the battery, but it didn't work, or stopped working abruptly the receiver module may be experiencing a problem. The receiver module is able to receive radio frequency signals from your remote keyfob and transforms them into electrical signals which are then used by other modules within the car. If the receiver module has suffered a malfunction, it will not respond to any of the commands sent by your remote key fob. In this situation, a dealer will need to reprogram your key fob as well as install an additional receiver. The key fob comes with rubber seals that block water from getting into the chip inside. If you immerse your key fob into soapy water or salty ocean water, the chips inside may be damaged. You can try to clean the chip by rubbing it with isopropyl alcohol or electronic cleaner, but if your key fob still isn't working after this, then you'll need to purchase a new one. If the keys are linked, but the receiver module is faulty You can try to restart all of the electronics on board by disconnecting the battery at 12 volts for few minutes. Then, reconnect the battery in reverse order (negative cable first, then positive). This will reset the onboard electronic and restore their functionality. Electronic chip that is malfunctioning The key fob comes with a tiny chip that transmits an indication from the key to the receiver module every time the key is used. If this signal does not match the one stored by the car the immobilizer will stop the engine and prevent the vehicle from starting. If the key fob doesn't function and you are not able to reprogram it, this could be because of a malfunctioning microchip. The chip in the key fob might need to be altered to allow it to function again. This can be accomplished by taking the key fob away from its housing, and using a needle or pin to contact each metal retaining clip. If they are corroded or broken, you will require replacement in order for the remote control to function. Make sure that any replacement batteries are of the same size, voltage and specification as the original. seat ibiza key fob battery replacement is an attractive and well-designed model however, like all cars it is not without its challenges. issues with certain parts or equipment. Some owners have reported problems with the auto climate control system. It can malfunction and become stuck in a certain setting. Additionally, the infotainment feature has also been known to malfunction and freeze screens.