Seat Alhambra Key Problems
Seat's jumbo family MPV is among the best in the market in terms of keeping resales value. And with a brand new model available it's even better.
There are a myriad of reasons why the key fob might not work properly, such as a dead coin battery water damage, receiver module issues or signal interference. This article will walk you through the steps to get it back to working.
Water Damage
If your key fob for the seat alhambra survives the wash cycle or a dip in an water or a pool, it is equipped with a waterproof chip. But be careful not to do this often, as prolonged exposure to water can increase the likelihood of the key fob becoming damaged. If your key fob stops functioning after being exposed to rain or clean tap water, remove the battery and clean the electronic component using a paper towel. Allow it to dry completely before replacing the battery. If the battery is exposed to soapy or salty water it is recommended to wash the chip with isopropyl alcohol or an electronic cleaner prior to attempting to insert the battery back in.
Faulty Receiver Module
If the key fob will not lock or unlock after you have replaced the battery of the button, it is possible that the receiver module has a fault. It's a simple and affordable fix. You can remove the 12 volt battery for a few minutes (first remove negative cable, then press the horn several times) to eliminate any remaining power. Then reconnect seat key replacement in reverse. positive cable first and then negative.
ESP Warning Light If the ESP warning light flashes, this is normal and signifies that the vehicle is driving on terrains where the traction of the road surface and tyres aren't as good, like snow, gravel or lots of surface water. If the ESP light is constantly on, it means that there is a fault 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 coin battery is among the most common causes for the seat alhambra keys to cease to function. The key fob is powered by a small button-cell battery. It is recommended to replace it by a new battery that has the same voltage, size and specifications 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, such as soapy or rain it is recommended to take the battery off and clean the electronic chip with isopropyl alcohol or a electronic cleaner before putting in the new battery. The chip may be permanently damaged by moisture. If the key fob still not working after replacing the battery, it could be necessary to replace the entire key fob.
Faulty Receiver Module
If your key fob stopped functioning after replacing the battery, but it did not work, or stopped working abruptly the receiver module could have experienced a malfunction. The receiver module receives the radio frequency signals from the remote keyfob and converts them into electrical commands that are then followed by other modules in the car.
If the receiver module has developed a fault, it will not respond to any of the commands issued by your remote key fob. In this case you will require a dealer to reprogramme the key fob and install the new receiver.
The key fob is covered with rubber to stop water from entering the electronic chip. However, if you submerge your key fob into salted or soapy ocean water, the chips inside could be damaged. You can try cleaning the chip by rub it with isopropyl alcohol or electronic cleaner, however in the event that your key fob isn't working after this, you'll have to purchase a replacement.
If the keys are connected but the receiver module has developed a fault you may try to restart all electronics on board by removing the battery at 12 volts for a short period of time. Then reconnect the battery in reverse order (negative cable first before positive). This will reset the onboard electronic circuits and restore their functionality.
Electronic chip that is malfunctioning
The key fob is outfitted with a tiny chip which transmits an indication from the key to the receiver module every time the key is used. If the signal doesn't match that stored by the car the immobilizer is able to shut off the engine and prevent the vehicle from starting. However, if the key fob isn't working and you are unable to reprogram it then it could be due a damaged chip.
The chip in the key fob may need to be altered to make it work again. The best way to do this is by removing the key from its housing and then using a pin or needle to make contact with each of the retaining clips made of steel. You'll require replacement in the event that they have been damaged or damaged by corrosion. Make sure that the replacement batteries have the same voltage, size and specifications as the original one.
Seat Alhambra, a renowned and well-designed car, can have problems with certain parts or equipment. For instance there are owners who have had problems with the automatic climate control system, which could become faulty and stuck in one specific setting. In the same way, the infotainment system has also been recognized to malfunction and even freeze screens.