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Seat Alhambra Key Problems Seat's MPV jumbo family is among the best in its class when it comes to resale value. With a new model on sale the family MPV jumbo is more impressive. There are a number of reasons that the key fob might not function properly including dead coin battery damage to the receiver module, water problems or signal interference. This article will guide you through the steps necessary to make sure it works. Water Damage If your key fob for the seat Alhambra is able to withstand a wash cycle or a dip in an water or a pool, it has a waterproof chip. But, you shouldn't do this often as excessive exposure to water increases chances of the key fob getting damaged. If the key fob ceases to functioning after exposure to clean water from the tap or rain then simply remove the battery, clean the electronic component using a paper towel and allow it to dry completely before putting the battery back in. If the key fob was exposed to soapy or salty water, it is recommended that you clean the chip with isopropyl or electronic cleaner. Faulty Receiver Module If the key fob does not lock or unlock after you have replaced the battery in the button cell It is possible that the receiver module has an issue. It's a simple and affordable fix. You can disconnect the battery with 12 volts for a couple of minutes (first remove negative cable, then press the horn a few times) to eliminate any remaining electricity. Then connect it in reverse. positive first, then negative. ESP Warning Light If the ESP warning light is flashing, this is normal and means that the vehicle is driving over terrain where the traction of the road surface and tyres isn't ideal, such as snow, gravel or lots of surface water. If the ESP warning light is continuously shining, it is a sign that there is a fault within the system and should be detected using an iCarsoft i908 Seat OBD Code Reader, which will give you a specific fault description. Dead Coin Battery A dead coin battery is among the most common reasons for the seat alhambra keys to cease to function. The key fob contains tiny button cell batteries that keeps it running. It is recommended to replace it with a replacement that is identical in size, voltage, and specification as the original. When replacing the battery on the key fob remove all metal clips and ensure that the contacts on the key fob are in good condition and free of corrosion. If the key fob has been exposed water, such as soapy or rain it is recommended to take the battery off and clean the electronic chip with isopropyl alcohol or a electronic cleaner prior to installing the new battery. The chip is susceptible to moisture and could be permanently damaged. 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 has stopped working after replacing the battery but it didn't work, or if it stopped working suddenly your receiver module might be experiencing a problem. The receiver module is responsible for receiving the radio frequency signals that are sent by your remote key fob and convert them into electrical signals which are then processed by other modules in the car. If the receiver module is faulty it will not be able to accept any commands from your remote key fob. In this instance the dealer will have to reprogramme the key fob and install an entirely new receiver. The key fob has been sealed by rubber to block water from leaking into the electronic chip. However, if you submerge the key fob in the ocean's salty or soapy water, the chips inside may be damaged. You can try to clean the chip by applying isopropyl alcohol or electronic cleaner, but If your key fob does not work after this, you'll have to purchase a replacement. If the keys have been paired but the receiver module has developed a fault, you can try to reboot 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 before positive). This will reset the onboard electronic circuit and restore their functionality. A malfunctioning electronic chip The key fob has an electronic chip that transmits a message to the receiver module each time the key is used. If the signal isn't in line with the one that the car has stored the immobilizer is disabled and prevent the vehicle from starting. If the key fob won't function and you are not able to reprogram it, it could be because of a faulty microchip. The chip in the key fob is not an indefinite part of the device and could need to be replaced in order to get it working again. www.thekeylab.co.uk can be accomplished by taking the key fob out of its housing, and using pins or needles to connect with each metal retaining clip. If they are corroded or broken, you will require replacement to allow the remote control to function. Make sure any replacement batteries have the same voltage, size and specifications as the original. The Seat Alhambra is a popular and well-designed car however, just like any other vehicle, it can sometimes experience problems with specific components or equipment. For instance some owners have encountered issues with the automatic climate control system, which could malfunction and cause problems in one specific setting. The infotainment system could also fail and cause freezing of the screens.