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Why Seat Keys Replacement Might Be Your Next Big Obsession
Seat Alhambra Key Problems

Seat's Jumbo MPV family is among the top models in its class when it comes to resale value. And with a new model now on sale it's even better.

There are a variety of reasons why the key fob won't work as expected, including a dead coin battery damage to the receiver module, or signal interference. This article will walk you through the steps to fix it.

Water Damage

If your key fob for the seat alhambra survives a wash cycle or a dip in the ocean or a pool, then it is equipped with a waterproof chip. But be careful not to do this often since prolonged exposure to water increases the risk of the key fob becoming damaged. If your key fob ceases to functioning after exposure to rain or clean tap water, remove the battery and wipe the electronic component with a paper towel. Allow it to dry completely before replacing the battery. In case of exposure to soapy water or salt, 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 button cell battery and the key fob isn't locked or unlocking, it's likely that the receiver module has developed a fault. The good news is that this is a relatively simple and inexpensive repair, you can just remove the battery 12 volts for just a few minutes (first remove the negative cable, then press the horn button several times) to drain any residual electrical current and then reconnect it in reverse order e.g. positive first, then negative.

ESP Warning Light - If the ESP symbol is flashing, this is normal. It is a sign that you are driving over terrain with poor traction. This could be caused by snow, gravel or surface water. If the ESP warning light continues to be blinking, it indicates that there is a problem within the system and should be diagnosed using a 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 causes for the keys for the seat to stop working. The key fob is powered by a small button-cell battery. Replace it with a new battery that has the exact dimensions, voltage and specs as the original. If you're replacing your battery, be sure to remove all metal retaining clips from the back of the key fob. You should also make sure that the contact points are clean and free of corrosion.

If the key fob was exposed to water, such as rain or soapy water it is recommended to remove the battery and clean the electronic chip with isopropyl alcohol or an electronic cleaner prior to inserting the new battery. seat ibiza key replacement may be permanently damaged by moisture. If the key fob still doesn't work after replacing the battery it may be necessary for you to replace the key fob.

Faulty Receiver Module

If your key fob has stopped working after you replaced the battery, but it didn't help, or if it just stopped working out of the blue the receiver module may have developed a fault. The receiver module is responsible for receiving the radio frequency signals that are sent by the remote key fob and convert them into electrical signals that are then acted on by other modules in the car.

If the receiver module has developed a fault that prevents it from responding to any of the commands received by your remote key fob. In this instance, you will have to visit a dealer to reprogramme the key fob, and also a new receiver module.

The key fob has been sealed by rubber to block water from getting inside the electronic chip. However, if you submerge your key fob into salted or soapy ocean water, the chips inside may be damaged. If your key fob does not work, you can try cleaning the chip using isopropyl or electronic cleaner.

If the keys have been connected, but the receiver module is malfunctioning it is possible to restart all of the electronics on board by disconnecting the battery at 12 volts for few minutes. Connect the battery in reverse (negative cable to positive first). This will reset the onboard electronic circuits and restore their functionality.

Faulty Electronic Chip

The key fob comes with a small chip that transmits the signal from the key to the receiver module each time the key is used. If the signal received does not match that stored by the car the immobilizer is able to shut off the engine and stop the vehicle from beginning. However, if the key fob isn't functioning and you can't reprogram it, it could be due to a faulty chip.

The chip in the key fob is not permanent to the device and may need to be replaced in order to get it to work again. The best way to do this is to remove the key from its housing and using a pin needle to contact each of the retaining clips made of steel. You will require replacement in the event of damage or corrosion-prone. Make sure that the replacement batteries have the same size, voltage and specification as the original one.


Seat Alhambra, a renowned and well-designed model, could have problems with certain parts or equipment. There have been reports of problems with the automatic climate-control system. It could malfunction and be stuck in a specific setting. In the same way, the infotainment system has also been recognized to malfunction and even freeze screens.

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