Seat Alhambra Key Problems Seat's jumbo MPV family is among the top models in its class when it comes to resale values And with a brand new model available it's even more impressive There are a variety of reasons why the key fob won't function properly, such as an inoperative coin battery, water damage to the receiver module or signal interference This article will walk you through the steps needed to get it working again Water Damage If your key fob for the seat alhambra can withstand an wash cycle, a dip in the water or a pool, it's equipped with a waterproof chip But be careful not to do this often since prolonged exposure to water increases chances of the key fob getting damaged If the key fob stops functioning after exposure to clean water from the tap or rain, just take out the battery, clean the electronic component using a paper towel and allow it to dry completely before putting it back into In case of exposure to soapy or salty water, it is recommended to clean the chip with isopropyl alcohol or an electronic cleaner prior to attempting to put the battery back in Faulty Receiver Module If the key fob will not lock or unlock after you've replaced the battery for the button it could be that the receiver module is suffering from a fault It's a relatively simple and cost-effective fix You can unplug the 12 volts battery for a few minutes first take off the negative cable, then press the horn a few times to drain any remaining electricity Then reconnect it in reverse positive cable first then negative ESP Warning Light – If the ESP symbol blinks, it is normal It means that you are driving on terrain with poor traction This could be due to snow, gravel or surface water If the ESP warning light remains shining, it is a sign that there is a glitch in the system and should be identified using an iCarsoft i908 Seat OBD Code Reader kit which will provide a precise fault description Dead Coin Battery A dead battery for the coin is among the most frequent reasons for the keys for the seat to cease to function The key fob is powered by a tiny button-cell battery It is recommended to replace it with a replacement that has the same size, voltage and specifications as the original When replacing the battery on the key fob, remove all metal clips and ensure that the contacts of the key fob are in good condition and free of corrosion If the key fob was exposed to water such as soapy or rain tap water it is recommended that you remove and clean the chip using 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 https//wwwthekeylabcouk/seat-car-keys/ If your key fob was not working after replacing the battery but it did not perform, or stopped working abruptly your receiver module might have developed a problem The receiver module is responsible to receive the radio frequency signals transmitted by your remote key fob, and changing them into electrical signals that are then utilized by other modules in the car If the receiver module has suffered a malfunction and is unable to respond to any of the commands issued by your remote key fob In this instance you'll need to go to a dealer for reprogramming of your key fob and a new receiver module The key fob features rubber seals that stop water from getting into the electronic chip inside If you submerge the key fob in soapy or salty water, it may damage the chips If your key fob doesn't function, you can try cleaning the chip using isopropyl or electronic cleaner If the keys are connected, but the receiver module is faulty You can try to restart all the electronics in the board by disconnecting the 12-volt battery for a couple of 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 A malfunctioning electronic chip The key fob contains tiny electronic chips that transmits a message to the receiver module each time the key is used If the signal doesn't match that stored by the car the immobilizer will stop the engine and prevent the vehicle from beginning However, if the key fob isn't working, and you are not able to reprogram it then it could be due to a faulty chip The chip in the key fob may have change to allow it to function again The best method to do this is by removing the key from its housing and then using a pin needle to make contact with each of the retaining clips made of steel If these are corroded or broken, you will require replacement to allow the remote control to function Make sure that the replacement batteries have the same size, voltage, and specifications as the original one Seat Alhambra is a popular and well-designed model, may have problems with certain components or equipment A few owners have reported issues with the automatic climate-control system It could fail and cause problems, and then get stuck in a specific setting The infotainment system has also been known to malfunction and freeze screens