Why Seat Keys Replacement Should Be Your Next Big Obsession
Seat Alhambra Key Problems
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There are many reasons why the key fob might not function properly, such as an unresponsive coin battery 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 can withstand washing cycles or a bath in the pool or ocean then it's probably equipped with an incredible waterproof chip, but be careful not to make this a routine as exposure to excessive water increases the risk of the key fob becoming damaged. If your key fob ceases to working after exposure to rain or clean tap water, unplug the battery and wipe the electronic component with a paper towel. Let it dry completely before replacing the battery. If the key fob was exposed to soapy or salty water it is recommended you clean the chip using isopropyl or electronic cleaner.
Faulty Receiver Module
If you've tried a new button cell battery and the key fob still isn't locked or unlocking, it's likely that your receiver module has developed a fault. The good news is that it is an easy and affordable fix, you can simply disconnect the battery for a few minutes (first remove the negative cable and press the horn button multiple times) to eliminate any remaining electric current, then reconnect it in reverse order e.g. positive first, then negative cable later.
ESP Warning Light - If the ESP warning light flashes, it is normal and signifies that the car is driving on terrain where the traction of the road surface and the tyres isn't ideal, such as gravel, snow or lots of surface water. If the ESP light is always flashing, it is a sign there is a fault in the system. It is possible to identify the problem with a iCarsoft i908 seat OBD code reader kit. It will give you the full description of the problem.
Dead Coin Battery
One of the most frequent reasons for the seat alhambra keys to stop working is a dead coin battery. The key fob contains tiny button cell batteries that keeps it powered. It should be replaced with a new one that has the same voltage, size, and specification as the original. When replacing the battery on the key fob, remove the metal clips and make sure that the contacts on the key fob are clean and free of corrosion.
If the key fob has been exposed to water, like 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 installing the new battery. The chip is susceptible to moisture and could be permanently damaged. If the key fob still does not 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 replacing the battery but it didn't function, or suddenly stopped working the receiver module may have experienced a malfunction. The receiver module is responsible for capturing the radio frequency signals sent by the remote key fob and changing them into electrical signals that are then utilized by other modules within the car.
If the receiver module is defective it will not take any commands from your remote key fob. In this scenario you'll have to visit a dealer for reprogramming your key fob and new receiver module.
The key fob is covered with rubber to prevent water from entering the electronic chip. If you immerse your key fob in soapy water or salty ocean water, the chips inside may be damaged. If your key fob won't work, you can try cleaning the chip using isopropyl or an electronic cleaner.
If the keys have been paired but the receiver module has developed a fault, you can try restarting all of the onboard electronics by removing the 12 volt battery for a short period of time. Then, reconnect the battery in reverse order (negative cable first followed by positive). This resets all the on-board electronics and should bring them back to their original functionality.
Faulty electronic chip
The key fob contains a small electronic chip that transmits a signal to the receiver module every time the key is used. If the signal doesn't match the one that the car has stored the immobilizer will be disabled and prevent the vehicle from starting. However, if the fob isn't working and you can't reprogram it this could be due a damaged chip.
The chip inside the key fob isn't an indefinite part of the device and may need to be replaced in order to get it to work again. This can be accomplished by taking the key fob away from its housing, and then using pins or needles to touch each metal clip. If the clips are corroded, or damaged, you'll require replacement in order for the remote control to function. Make seat replacement key that the replacement batteries have the same voltage, size and specification as the original one.
The Seat Alhambra is a well-designed and popular model but, as with any car it can occasionally experience problems with specific components or equipment. For instance, some owners have experienced problems with the climate control system, which can become faulty and stuck in one specific setting. Similarly, the infotainment system has also been known to malfunction and freeze screens.