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There are many reasons why the key fob won't work properly, including an inoperative coin battery or water damage to the receiver module or signal interference. This article will guide you through the steps to get it working.
Water Damage
If your key fob for the seat Alhambra is able to withstand washing cycles, a dip in the ocean or in a pool, then it has a waterproof chip. But, you shouldn't do this often because prolonged exposure to water increases the likelihood of the key fob being damaged. If the key fob ceases to working after exposure to clean water from the tap or rain, then just remove the battery, wipe the electronic component with a paper towel and allow it to dry completely before putting it back in. If the battery is exposed to soapy or salty water, it is recommended to wash the chip with isopropyl alcohol or electronic cleaner prior to attempting to put the battery back in.
Faulty Receiver Module
If the key fob will not lock or unlock even after you've replaced the battery for the button it could be that the receiver module has a fault. The good news is that this is a relatively simple and inexpensive repair, you can disconnect the 12 volt battery for a few minutes (first take off the negative cable and press the horn button a few times) to remove any remaining electricity, and then connect it in reverse order e.g. positive cable first then negative cable later.
ESP Warning Light If the ESP symbol blinks, it is normal. It indicates that you are driving over terrain that has poor traction. This could be due to gravel, snow or surface water. If the ESP light is always on, it is a sign that there is a problem in the system. It is possible to identify the problem with a iCarsoft i908 seat OBD code reader kit. It will provide you with a a detailed fault description.
Dead Coin Battery
One of the most common reasons for the seat alhambra keys to stop working is a dead coin battery. The key fob is powered by a small button-cell battery. Replace it with a brand new battery with the same voltage, size and specification 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 make sure the contacts are clean and free of corrosion.
If the key fob has been exposed to water, like rain or soapy water it is recommended to take the battery off and clean the electronic chip using isopropyl alcohol or a electronic cleaner prior to installing the new battery. The chip could be permanently damaged by moisture. If the key fob still not working after replacing the battery, it may 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 function, or stopped working suddenly your receiver module might have encountered a problem. The receiver module is able to receive radio frequency signals from your remote keyfob, and transforms them into electrical signals that are then followed by other modules in the car.
If the receiver module is defective it will not be able to accept any commands from your remote key fob. In this instance it is necessary for a dealer to reprogramme your key fob and install the new receiver.
The key fob is covered with rubber to stop water from getting inside the electronic chip. If you immerse the key fob into salty or soapy water, it could damage the chip. seat arona key battery is possible to clean the chip by rub it with isopropyl alcohol or electronic cleaner, but in the event that your key fob isn't working after all this, you'll have to purchase a new one.
If the keys are paired, but the receiver module is faulty then you can restart all the electronics that are on board by disconnecting the battery with 12 volts for a few minutes. Then reconnect the battery in reverse order (negative cable first followed by positive). This will reset the onboard electronic and restore their functionality.
Electronic Chip Faulty
The key fob is fitted with a tiny chip which transmits a signal from the key to the receiver module every time the key is used. If this signal does not match the one recorded by the car, the immobilizer will disable the engine and prevent the vehicle from starting. However, if the fob is not working and you are unable to reprogram it, it could be due to a defective chip.
The chip inside the key fob is not an irreplaceable part of the device and might have to be replaced to make it work again. The best method to do this is to remove the key from its housing and using a pin or needle to make contact with each of the metal clips that hold it. You'll have to replace them if they are damaged or corrosion-prone. Make sure that the replacement batteries are of the same voltage, size and specifications as the original.
Seat Alhambra, a renowned and well-designed car, can be troublesome due to certain components or equipment. For example there are owners who have had issues with the auto climate control system, which may become faulty and stuck in a particular setting. The infotainment system has also been recognized to malfunction and even freeze screens.
