What Seat Keys Replacement Experts Want You To Know

· 4 min read
What Seat Keys Replacement Experts Want You To Know

Seat Alhambra Key Problems

Seat's jumbo family MPV is among the best in its class in terms of maintaining resale value. And with a new model on sale it's even better.

There are a myriad of reasons that the key fob may not function correctly, including dead battery water damage, receiver module problems or signal interference. This article will guide you through the steps necessary to fix it.

Water Damage

If your seat alhambra key fob can withstand an wash cycle or bath in the pool or ocean then it probably has an incredible waterproof chip, but don't make this a habit because exposure to water in excess increases the risk of the key fob getting damaged. If the key fob stops functioning after exposure to clean tap water or rain, just take out the battery, wipe the electronic component with paper towel and let it dry completely before putting the battery back in. If the key fob was exposed to soapy or salty water it is recommended that you clean the chip with isopropyl or electronic cleaner.

Faulty Receiver Module

If the key fob does not lock or unlock after you've replaced the battery of the button it is possible that the receiver module has a fault. The good news is that this is a fairly easy and affordable fix, you can just disconnect the 12 volt battery for several minutes (first remove the negative cable then press the horn button a few times) to remove any remaining electricity and then reconnect it in reverse order e.g. Positive cable first, then negative.

ESP Warning Light - If the ESP warning light flashes, it is normal and means that the car is travelling through terrain where the traction of the road surface and the tyres isn't ideal, like gravel, snow or a lot of surface water. If the ESP warning light remains illuminated it indicates that there is a fault within the system. It is best to be detected using an iCarsoft i908 Seat OBD Code Reader kit which will give you a specific fault description.

Dead Coin Battery

One of the most common reasons for the seat alhambra key not working is a dead battery. The key fob is powered by a small button cell battery which keeps it powered. Replace it with a brand new battery with the same dimensions, voltage and specs as the original. When replacing the battery on the key fob remove all metal clips and ensure that the contacts of the key fob are in good condition and free of corrosion.

If the key fob was exposed to water (such as soapy or rain tap water) it is recommended to remove and clean the chip using an electronic cleaner or isopropyl ethanol prior to installing a new battery. The chip is sensitive to moisture and can be permanently damaged. If the key fob isn't working 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 and it did not help, or if it stopped working completely out of the blue it is possible that your receiver module could have developed an issue. The receiver module is able to receive radio frequency signals from your key fob's remote and converts them into electrical commands which are then acted upon by other modules within the car.

If the receiver module is faulty it will not be able to accept any commands from your remote key fob. In this case you will require a dealer to reprogram your key fob as well as install a new receiver.

The key fob is sealed with rubber to prevent water from leaking into the electronic chip. However, if you submerge your key fob into salty or soapy water, the chip inside may be damaged. You can attempt to clean the chip by using isopropyl Alcohol to rub it or electronic cleaner, but if your key fob still does not work after this, then you'll need to purchase a replacement.


If the keys are paired, but the receiver module is not working You can try to restart all the electronics that are on board by disconnecting the battery at 12 volts for few minutes. Then reconnect the battery in reverse order (negative cable first followed by positive). This will reset all the electronics onboard and will bring them back to their original functionality.

Faulty Electronic Chip

The key fob houses a small electronic chip that transmits a signal to the receiver module each time the key is used. If  seat leon key fob replacement g28carkeys.co.uk  received does not match the one stored by the car the immobilizer is able to shut off the engine and stop the vehicle from beginning. If the key fob does not function and you are not able to reprogram it, this could be because of a malfunctioning microchip.

The chip in the key fob may have to be altered to make it work again. The most effective method for doing this is to remove the key from its housing and then using a pin needle to contact each of the metal clips that hold it. You will have to replace them in the event of damage or damaged or corroded. Make sure that any replacement batteries have the same voltage, size and specifications as the original.

Seat Alhambra is a well-known and well-designed model, could have problems with certain parts or equipment. There have been reports of problems with the auto climate control system. It is prone to fail and cause problems, and then get stuck in a certain setting. The infotainment system can also fail and cause freezing of the screens.