Seat Alhambra Key Problems
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There are seat key of reasons why the key fob could not function properly, such as a dead coin battery, water damage, receiver module problems or signal interference. This article will guide 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 an 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 chances of the key fob being damaged. If your key fob stops functioning after exposure to rain or clean tap water, unplug the battery and clean the electronic component with a towel. Dry it completely before replacing the battery. If you are exposed to soapy or salty water it is recommended that you clean the chip with isopropyl alcohol or an electronic cleaner prior to attempting to put the battery back in.
Faulty Receiver Module
If you have tried an entirely new battery for your button and the key fob still does not lock or unlock, it is likely that the receiver module has developed a fault. The positive side is that this is a relatively simple and cost-effective fix. You can simply disconnect the 12 volt battery 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 cable first, then negative.
ESP Warning Light - If the ESP symbol is illuminated, this is normal. It is a sign that you're driving on terrain with poor traction. This could be due to snow, gravel or surface water. If the ESP light is always flashing, it is a sign there is a problem in the system. This can be diagnosed with a iCarsoft i908 seat OBD code reader kit. It will provide the full description of the problem.
Dead Coin Battery
A dead battery for the coin is one of the most common causes for the keys for the seat to stop working. The key fob is powered by tiny button cell batteries that is able to keep it powered. Replace it with a brand new battery that is the same size, voltage, and specifications as the original. If you're replacing your battery, be sure to remove all metal retaining clips from the back of the key fob. Also, make sure the contacts are 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 with an electronic cleaner or isopropylethanol prior to installing a new battery. The chip could be permanently damaged by water. If the key fob is still not working after replacing the battery, it might be necessary to replace the entire key fob.
Faulty Receiver Module
If your key fob has stopped working after you replaced the battery and it didn't help, or it just stopped working out of the blue, then your receiver module may have developed an issue. The receiver module receives radio frequency signals from the remote keyfob and transforms them into electrical signals that are then followed by other modules within the car.
If the receiver module is damaged it will not be able to accept any commands from your remote key fob. In this situation you'll be required to visit a service for reprogramming of your key fob as well as a new receiver module.
The key fob has rubber seals that block water from entering the electronic chip inside. If you immerse the key fob in salty or soapy water it could damage the chip. You can attempt to clean the chip by using isopropyl Alcohol to rub it or electronic cleaner, however if your key fob still doesn't work after doing this, then you'll need to purchase a new one.
If the keys are in a pair but the receiver module has developed a fault, you may try to restart all of the electronics on board by removing the battery at 12 volts for a few minutes. Then reconnect the battery in reverse order (negative cable first, then positive). This will reset the onboard electronic and restore their functionality.
Electronic Chip Faulty
The key fob is outfitted with a small chip that transmits an indication from the key to the receiver module every time the key is used. If the signal isn't in line with the one the car has stored, the immobilizer will disable and stop the car from starting. If the key fob doesn't work and you aren't able to reprogram it, this could be due to a malfunctioning microchip.
The chip inside the key fob might need change to make it work again. This can be accomplished by taking the key fob out of its case, and using pins or needles to connect with each metal retaining clip. You will require replacement if they are damaged or damaged by corrosion. Make sure that the replacement batteries are of the same voltage, size, and specification as the original.
The Seat Alhambra is a well-designed and popular car but, as with any car it can occasionally experience problems with specific components or equipment. For example there have been reports of owners experiencing issues with the auto climate control system, which can become faulty and stuck in a particular setting. The infotainment system can also fail and cause freezing of the screens.