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10 Unexpected Seat Keys Replacement Tips
Seat Alhambra Key Problems

Seat's jumbo MPV family is among the top in its class when it comes to resale values. And with a new model on sale, it's even better.

There are many reasons why the key fob may not function properly, such as an unresponsive coin battery or water 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 key fob survives the wash cycle or a bath in the pool or ocean then it's probably equipped with an amazing waterproof chip but be careful not to make this a routine since exposure to excessive water increases the risk of the key fob becoming damaged. If the key fob stops working after exposure to clean tap water or rain, then just remove the battery, clean the electronic component with a towel and allow it to dry completely before putting it back in. In case of exposure to soapy or salty water it is recommended to wash the chip with isopropyl alcohol or an electronic cleaner prior to attempting to insert the battery back in.

Faulty Receiver Module

If you have tried a new battery for a button and the key fob does not lock or unlock, it is likely that the receiver module has discovered a problem. The positive side is that this is a relatively simple and affordable fix, you can just disconnect the battery for several minutes (first take off the negative cable, then press the horn button multiple times) to eliminate any remaining electricity and then reconnect it in reverse order e.g. positive cable first then negative cable later.

ESP Warning Light - If the ESP symbol is flashing, this is normal. It is a sign that you are driving on terrain with poor traction. This could be due to gravel, snow or surface water. If the ESP warning light is constantly illuminated it indicates that there is an error within the system and should be detected using an iCarsoft i908 Seat OBD Code Reader kit which will provide you with a specific fault description.

Dead Coin Battery

A dead battery for the coin is one of the most common causes for the seat alhambra keys to stop working. The key fob comes with an insignificant button cell battery that keeps it powered. It is recommended to replace it with a new one that is exactly the same size, voltage, and specification 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 seat leon car key replacement has been exposed water, such as rain or soapy water, it's recommended that you remove the battery and clean the electronic chip with alcohol isopropyl or an electronic cleaner prior to putting in the new battery. The chip may be permanently damaged by water. If the key fob still doesn't work after replacing the battery it could be necessary to replace the key fob.

Faulty Receiver Module

If your key fob has stopped working after you replaced the battery and it did not help, or if it just stopped working in a sudden manner The receiver module could have developed an issue. The receiver module takes the radio frequency signals from your key fob's remote and transforms them into electrical signals that are then followed by other modules in the car.

If the receiver module has suffered a malfunction it will not respond to any of the commands sent by your remote key fob. In this case, you will have to visit a dealer for reprogramming of the key fob, and also a new receiver module.

The key fob is fitted with rubber seals to prevent water from getting into the chip inside. If you immerse your key fob in salted or soapy ocean water, the chips inside could be damaged. If your key fob won't work, you can try cleaning the chip using isopropyl or an electronic cleaner.

If the keys are paired but the receiver module has developed a fault, you can try restarting all of the onboard electronics by removing the battery with 12 volts for a few minutes. Connect the battery in reverse (negative cable to positive first). This resets all the electronic components on board and bring them back into operation.

A malfunctioning electronic chip

The key fob is equipped with a small 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 the car has stored the immobilizer will turn off and stop the car from starting. If the key fob you purchased does not function and you are not able to reprogram it, it could be because of an incompatible microchip.

The chip inside the key fob isn't permanent to the device and might have to be replaced in order to get it working again. This can be done by taking the key fob away from its housing, and using pins or needles to touch each metal clip. If the clips are corroded, or broken, you will need to replace them in order for the remote control to work. Make sure that the replacement batteries have the same voltage, size and specifications as the original one.

Seat Alhambra, a renowned and well-designed model, can have problems with specific parts or equipment. For example, some owners have experienced issues with the auto climate control system, which may become faulty and stuck in one specific setting. The infotainment system could also fail and cause freezing of the screens.