Seat Alhambra Key Problems

Seat's family MPV jumbo is among the top in the market when it comes to retaining resale value. And with a new generation model available it's even better.

There are a variety of reasons why the key fob could not work properly, including a dead coin battery or water damage to the receiver module, or signal interference. This article will walk you through the steps needed to get it back in working order.

Water Damage

If your key fob for the seat Alhambra is able to withstand washing cycles or a dip in an ocean or in a pool, then it's equipped with a waterproof chip. However, don't do it often, as prolonged exposure to water increases the risk of the key fob getting damaged. If the key fob ceases to functioning after exposure to clean water from the tap or rain, then just remove the battery, wipe the electronic component with a paper towel and allow it to dry completely before putting it back into. If the key fob has been exposed to salty or soapy water, it is recommended that you clean the chip using isopropyl or electronic cleaner.

Faulty Receiver Module

If you've tried an entirely new battery for your button and the key fob still does not lock or unlock, it's likely that the receiver module has developed a fault. The good news is that it is a relatively simple repair that is inexpensive, you can disconnect the 12 volt battery for several minutes (first take off the negative cable then press the horn button numerous times) to remove any remaining electric current, then reconnect it in reverse order e.g. Positive cable first, then negative.

ESP Warning Light – If the ESP symbol blinks, it is normal. It is a sign that you are driving over terrain that has poor traction. This could be due to gravel, snow or surface water. If the ESP warning light continues to be illuminated it indicates that there is a problem within the system and should be detected with a iCarsoft i908 seat keys OBD Code Reader kit which will provide you with a specific fault description.

Dead Coin Battery

A dead coin battery is one of the most frequent reasons for the keys for the seat leon key fob programming to stop working. The key fob is powered by a small button-cell battery. Replace it with a brand new battery with the same dimensions, voltage and specs as the original. If you're replacing the battery be sure to remove all metal retaining clips from the back of the key fob. Also, ensure that the contacts are 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 alcohol isopropyl or an electronic cleaner prior to installing the new battery. The chip can 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 stopped working after you replaced the battery but it did not help, or if it stopped working completely without notice the receiver module could have developed an issue. The receiver module is responsible for capturing the radio frequency signals that are sent by your remote key fob and changing them into electrical signals which are then processed by other modules in the car.

If the receiver module is damaged and is not able to take any commands from your remote key fob. In this case you will require a dealer to reprogramme your key fob as well as install an additional receiver.

The key fob is sealed with rubber to stop water from getting inside the electronic chip. If you dip the key fob in salted or soapy water it may damage the chips. You can attempt to clean the chip by rub it with isopropyl alcohol or electronic cleaner, however if your key fob still isn't working after this, then you'll need to buy a new one.

If the keys have been paired, but the receiver module is not working You can try to restart all the electronics in the board by disconnecting the battery with 12 volts for a few minutes. Connect the battery in reverse (negative cable to positive first). This resets all the on-board electronics and should restore their functionality.

Faulty Electronic Chip

The key fob comes with a tiny chip which transmits the signal from the key to the receiver module every time the key is used. If the signal received does not match the one recorded by the car the immobilizer will stop the engine and prevent the vehicle from beginning. However, if the fob isn't working, and you can't reprogram it then it could be due a damaged chip.

The chip in the key fob is not a permanent part of the device, and might need to be replaced in order to make it work again. This can be done by taking the key fob away from its housing and using pins or needles to touch each metal clip. If these clips are damaged or broken, you will have to replace them to allow the remote control to work. Make sure any replacement batteries are of the same size, voltage and specifications as the original.

The seat replacement car key Alhambra is a well-designed and popular model but like any other car it can occasionally experience issues with particular parts or equipment. Some owners have reported issues with the auto climate control system. It is prone to malfunction and become stuck in a specific setting. The infotainment system may also fail and cause freezing of the screens.