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Seat Alhambra Key Problems Seat's jumbo MPV range is among the top models in its class when it comes to resale values. With a brand new model on sale the family MPV jumbo is better. There are many reasons why your key fob might not function properly including dead coin battery, water damage, receiver module issues, or signal interference. This article will walk you through the steps necessary to fix it. Water Damage If your key fob for the seat alhambra can withstand the wash cycle or a dip in an ocean or a pool, then it's equipped with a waterproof chip. But don't do this often, as prolonged exposure to water increases the likelihood of the key fob getting damaged. If your key fob ceases to functioning after exposure to rain or clean tap water, take out the battery and wipe the electronic component using a towel. Allow it to dry completely before replacing the battery. If you are exposed to soapy water or salt, it is recommended to wash the chip with isopropyl alcohol or an electronic cleaner prior to attempting to insert the battery back in. Faulty Receiver Module If the key fob does not lock or unlock even after you've replaced the battery of the button It is possible that the receiver module is suffering from a fault. It's a fairly simple 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) in order to drain any remaining electricity. Then reconnect it in reverse. Positive cable first followed by negative. ESP Warning Light – If the ESP symbol is illuminated, this is normal. It means that you are driving over terrain that has poor traction. This could be due to gravel, snow or surface water. If the ESP warning light remains flashing, it means there is a glitch in the system and should be identified using an iCarsoft i908 Seat OBD Code Reader kit which will give you a specific fault description. Dead Coin Battery A dead coin battery is among the most frequent causes for the keys for the seat to stop working. The key fob comes with tiny button cell batteries that keeps it powered. It should be replaced with a new one that is 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 has been 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 sensitive to moisture and may be permanently damaged. If the key fob still not working after replacing the battery, it could be necessary to replace the entire key fob. Faulty Receiver Module If your key fob stopped functioning after replacing the battery but it didn't work, or suddenly stopped working, your receiver module could have developed a problem. The receiver module receives the radio frequency signals from your remote keyfob and converts them into electrical commands which are then acted upon 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 scenario, a dealer will need to reprogram your key fob and install an additional receiver. The key fob has rubber seals that stop water from entering the chip inside. However, if you submerge your key fob in salty or soapy water, the chip inside could be damaged. If your key fob doesn't work, you could try cleaning the chip with isopropyl or an electronic cleaner. If the keys are paired but the receiver module has developed a fault you may try to restart all of the electronics on board by removing the battery at 12 volts for a few minutes. Then reconnect the battery in reverse order (negative cable first followed by positive). This will reset the on-board electronic circuit and restore their functionality. Electronic chip that is malfunctioning The key fob is fitted with a small chip that transmits a signal from the key to the receiver module every time the key is used. If seat key doesn't coincide with the one stored by the car the immobilizer will shut down the engine and prevent the vehicle from starting. However, if the key fob isn't working, and you can't reprogram it this could be due to a faulty chip. The chip inside the key fob could need to be changed in order to make it function properly. The best way to do this is by removing the key from its housing and using a pin or needle to connect with each of the metal clips that hold it. If the clips are corroded, or broken, you will require replacement in order for the remote control to function. Make sure that the replacement batteries are the same voltage, size and specification as the original one. Seat Alhambra is a popular and well-designed model, can be a bit troublesome with specific parts or equipment. For example there are owners who have had issues with the auto climate control system, which can become faulty and stuck in one specific setting. Similarly, the infotainment system has also been recognized to malfunction and even freeze screens.