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Seat Alhambra Key Problems

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There are a variety of reasons that the key fob might not work properly, such as a dead coin battery or damage to the receiver module, water issues, or signal interference. This article will guide you through the steps needed to get it back to working.

Water Damage

If your seat alhambra key fob is able to withstand washing cycles or a bath in the ocean or pool then it is likely to have an incredible waterproof chip, but do not make it a habit as exposure to excessive water increases the risk of the key fob getting damaged. If your key fob ceases to working after exposure to rain or clean tap water, you should remove the battery and clean the electronic component using a towel. Let it dry completely before replacing the battery. In case of exposure to salt or soapy water it is recommended to wash the chip with isopropyl alcohol or an electronic cleaner before attempting to put the battery back in.

Faulty Receiver Module

If you've tried a new battery for a button and the key fob still cannot be locked or unlocked, it's likely that the receiver module has been faulty. The good news is that it is a fairly easy and affordable fix, you can simply disconnect the 12 volt battery for about a couple of minutes (first take off the negative cable then press the horn button numerous times) to drain any residual electricity and then reconnect it in reverse order e.g. Positive cable first followed by negative.

ESP Warning Light If the ESP warning light is flashing, this is normal and indicates that the car is traveling on terrains in which the traction between the road surface and tyres isn't ideal, such as snow, gravel or lots of surface water. If the ESP light is constantly on, it is a sign that there is a fault in the system. It can be detected by using an iCarsoft i908 seat OBD code reader kit. It will provide you with a an in-depth description of the fault.

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 tiny button cell batteries which keeps it powered. Replace it with a brand new battery with the same voltage, size 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. You should also make sure that the contacts are clean and free of corrosion.

If the key fob was exposed to water, like soapy or rain, it's recommended that you remove the battery and clean the electronic chip using isopropyl alcohol or a electronic cleaner prior to putting in the new battery. The chip could be permanently damaged by moisture. If the key fob is 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 it just stopped working suddenly, then your receiver module might have developed a fault. The receiver module takes the radio frequency signals from your key fob's remote and converts them into electrical commands that are then followed by other modules in the car.

If the receiver module is damaged it will not take any commands from your remote key fob. In this scenario you'll be required to visit a service for reprogramming the key fob, and also a new receiver module.

The key fob is fitted with rubber seals to prevent water from entering the chip inside. If you immerse the key fob into soapy or salty water, it could damage the chip. You can try to clean the chip by rubbing it with isopropyl alcohol or electronic cleaner, but if your key fob still isn't working after all this, you'll have to purchase a replacement.

If the keys are in a pair but the receiver module has developed a fault you can try to reboot all electronics on board by removing the 12 volt battery for a few minutes. Connect the battery in reverse (negative cable to positive first). This will reset the on-board electronic and restore their functionality.

Faulty Electronic Chip

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The key fob is equipped with a tiny chip which transmits an indication from the key 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 be disabled and prevent the vehicle from starting. If the key fob you purchased does not work and you are unable to reprogram it, this could be because of an incompatible microchip.

The chip inside the key fob could need to be altered to allow it to function again. The best way to do this is by removing the key from its housing and then using a pin needle to connect with each of the metal retaining clips. You will need to replace these if they are damaged or corrosion-prone. Make sure that the replacement batteries are of the same voltage, size and specifications as the original one.

The Seat Alhambra is a well-designed and popular car but, as with any car it can occasionally experience issues with particular parts or equipment. For https://www.thekeylab.co.uk/seat-car-keys/ there have been reports of owners experiencing issues with the auto climate control system, which can be faulty and get stuck in a specific setting. Additionally, the infotainment feature has also been found to malfunction and cause freeze screens.