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There are a variety of reasons why the key fob may not work properly, including an unresponsive coin battery or damage to the receiver module, or signal interference. This article will walk you through the steps to make it work again.
Water Damage
If your key fob for the seat Alhambra is able to withstand washing cycles or a dip in an water or a pool, it has a waterproof chip. But be careful not to do this often, as prolonged exposure to water increases chances that the key fob will be damaged. If the key fob stops functioning after exposure to clean tap water or rain then simply remove the battery, wipe 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 salt or soapy water it is recommended to clean the chip with isopropyl alcohol or electronic cleaner prior to attempting to put the battery back in.
Faulty Receiver Module
If you've tried a new button cell battery and the key fob still does not lock or unlock, it's likely that your receiver module has been faulty. It's a fairly simple and affordable fix. click here to read is possible to disconnect the battery that is 12 volts for a few minutes (first remove the negative cable and then press the horn several times) to remove any remaining electricity. Then reconnect it in reverse. Positive first and then negative.
ESP Warning Light - If the ESP warning light is flashing, this is normal and indicates that the vehicle is driving on terrains where the traction between the road surface and the tyres isn't optimal, like gravel, snow or a lot of surface water. If the ESP warning light continues to be shining, it is a sign that there is a problem within the system. It is best to be diagnosed using a iCarsoft i908 Seat OBD Code Reader, which will provide a precise fault description.
Dead Coin Battery
A dead coin battery is among the most frequent reasons for the keys for the seat to cease to function. The key fob is powered by a small button-cell battery. It should be replaced with a brand new one that has identical in size, voltage and specifications 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, ensure that the contacts are free of corrosion.
If the key fob has been exposed to water, like rain or soapy water, it's recommended that you remove the battery and clean the electronic chip using isopropyl alcohol or an electronic cleaner prior to installing the new battery. The chip may be permanently damaged by moisture. 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 has stopped working after you replaced the battery but it did not help, or if it just stopped working out of the blue, then your receiver module might have developed a fault. The receiver module is responsible for absorbing the radio frequency signals sent by the remote key fob and transform them into electrical commands that are then utilized by other modules in the car.
If the receiver module has developed a fault it will not respond to any of the commands transmitted by your remote key fob. In this case you'll need to go to a dealer to reprogram your key fob and a new receiver module.
The key fob has been sealed with rubber to keep water from getting inside the electronic chip. However, if you submerge the key fob in salted or soapy ocean water, the chip inside may be damaged. If your key fob won't work, you could try cleaning the chip using isopropyl or electronic cleaner.
If the keys are connected but the receiver module has developed a fault you may try to restart all of the onboard electronics by disconnecting the battery that is 12 volts for a short period of time. Connect the battery in reverse (negative cable to positive first). This will reset the on-board electronic circuits and restore their functionality.
A malfunctioning electronic chip
The key fob is equipped with a small electronic chip that transmits a message to the receiver module when the key is used. If this signal does not coincide with the one stored by the car, the immobilizer will disable the engine and stop the vehicle from beginning. If the key fob doesn't work and you are unable to reprogram it, this could be because of an issue with the microchip.
The chip in the key fob may have to be replaced to make it work again. This can be accomplished by taking the key fob out of its housing, and using a needle or pin to connect with each metal retaining clip. You'll need to replace these in the event that they have been damaged or damaged by corrosion. Make sure that any replacement batteries are of the same voltage, size and specification as the original one.
Seat Alhambra is a well-known and well-designed car, can have problems with certain parts or equipment. Some owners have reported issues with the automatic climate-control system. It may fail and cause problems, and then get stuck in a specific setting. The infotainment system could also malfunction and freeze the screens.
