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Seat Alhambra Key Problems Seat's jumbo family MPV is among the top in its class when it comes to keeping resales value. With a new generation model now available it's even better. There are a myriad of reasons the key fob could not work as expected, including the battery being dead or damage to the receiver module or signal interference. This article will walk you through the steps necessary to get it working. Water Damage If your seat alhambra keyfob is able to survive the wash cycle or a bath in the ocean or pool it's likely to have an incredible waterproof chip, but don't make this a habit because prolonged exposure to water increases the risk of the key fob getting damaged. If the key fob ceases to working after exposure to clean water from the tap or rain, simply take out the battery, wipe the electronic component with a towel and let it dry completely before putting it back in. If the key fob was exposed to soapy or salty water and salty water, it is recommended you clean the chip using isopropyl or electronic cleaner. Faulty Receiver Module If you have tried a new battery for a button and the key fob still doesn't lock or unlock then it is likely that the receiver module has developed a fault. It is a relatively easy and cost-effective fix. You can remove the 12 volt battery for a few minutes (first take off the negative cable, then press the horn numerous times) to eliminate any remaining electricity. After that, you can reconnect it in reverse. positive first, then negative. ESP Warning Light – If the ESP symbol blinks, it is normal. It indicates that you are driving on a terrain that has poor traction. This could be due to gravel, snow or surface water. If the ESP light is always on, it means that there is a fault in the system. It is possible to identify the problem by using an iCarsoft i908 seat OBD code reader kit. It will give you a detailed fault description. Dead Coin Battery One of the most common reasons for the seat alhambra key not working is a dead coin battery. The key fob contains a small button cell battery that is able to keep it powered. Replace it with a brand new battery that has the exact dimensions, voltage and specs as the original. If you're replacing the battery, ensure that you remove all metal clips from the back of the key fob. Also make sure that the contact points are clean and free of corrosion. If replacement seat car key was exposed to water (such as rain or soapy tap water) it is recommended to remove and clean the chip using an electronic cleaner or isopropylethanol before installing a brand 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 could be necessary to replace the entire key fob. Faulty Receiver Module If your key fob was not working after replacing the battery, but it did not work, or stopped working in a sudden manner the receiver module could be experiencing a problem. The receiver module is responsible for receiving the radio frequency signals that are sent by the remote key fob and changing them into electrical signals which are then processed by other modules within the car. If the receiver module is defective and is not able to take any commands from your remote key fob. In this case it is necessary for a dealer to reprogram your key fob as well as install the new receiver. The key fob features rubber seals that stop water from getting into the chip inside. If you immerse the key fob in salted or soapy ocean water, the chips inside may be damaged. You can try cleaning the chip by rubbing it with isopropyl alcohol or electronic cleaner, but should your key fob doesn't work after doing this, then you'll need to purchase a new one. If the keys have been linked, but the receiver module isn't working then you can restart all the electronics in the board by disconnecting the battery with 12 volts for a few minutes. Then, reconnect the battery in reverse order (negative cable first before positive). This resets all the electronic components on board and bring them back to their original functionality. Electronic Chip Faulty The key fob contains tiny electronic chips which transmits a signal the receiver module every time the key is used. If this signal does not match that stored by the car the immobilizer will shut down the engine and stop the vehicle from starting. If the key fob is not working and you are unable to reprogram it, it could be due to a defective chip. The chip in the key fob might need to be changed in order to get it working again. This can be done by removing the key fob from its housing and using a needle or pin to make contact with each metal retaining clip. If these clips are damaged or broken, you will need to replace them to allow the remote control to function. Make sure that the replacement batteries are of the same voltage, size and specification as the original. Seat Alhambra, a renowned and well-designed model, can have issues with certain components or equipment. There have been reports of problems with the auto climate control system. It could fail and get stuck in a particular setting. The infotainment system can also malfunction and cause freezes on the screens.