Seat Alhambra Key Problems
Seat's jumbo MPV family is among the top models in its class when it comes down to resales values. And with a new model now available, it's even better.
There are a myriad of reasons the key fob might not work properly, including an unresponsive coin battery 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 withstands a wash cycle or a dip in an ocean or a pool, then it has a waterproof chip. But, you shouldn't do this often since prolonged exposure to water can increase the chance of the key fob being damaged. If the key fob ceases to working after exposure to clean water from the tap or rain, just take out the battery, clean the electronic component with a towel and allow it to dry completely before putting it back in. If the key fob was exposed to soapy or salty water it is recommended that you clean the chip using isopropyl or an 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. It's a fairly simple and inexpensive fix. It is possible to disconnect the 12 volts battery for a couple of minutes (first take off the negative cable, then press the horn a few times) to remove any remaining power. After that, you can reconnect it in reverse. positive cable first, then negative.
ESP Warning Light - If the ESP warning light flashes, this is normal and means that the car is driving through terrain in which the traction between the road surface and tyres isn't optimal, such as gravel, snow or lots of surface water. If the ESP warning light is constantly illuminated it indicates that there is a fault within the system. This can be detected with a iCarsoft i908 Seat OBD Code Reader, which will provide you with a specific fault description.
Dead Coin Battery
One of the most frequent reasons for the seat alhambra key to stop functioning is a dead coin battery. The key fob is powered by a small button-cell battery. Replace it with a new battery that has the exact dimensions, voltage and specs as the original. If you are replacing the battery, be sure to remove all metal retaining clips from the back of the key fob. You should also make sure that the contacts are free of corrosion.
If the key fob was exposed to water (such as rain or soapy tap water), it is recommended that you remove and clean the chip using an electronic cleaner or isopropylethanol before installing a brand new battery. The chip may be permanently damaged by water. If the key fob doesn't function after replacing the battery, it might be necessary to replace the key fob.
Faulty Receiver Module
If your key fob stopped working after replacing the battery and it didn't help, or if it stopped working completely without notice, then your receiver module may have developed a fault. The receiver module is responsible for absorbing 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 seat leon spare key has a problem and is not able to take any commands from your remote key fob. In this scenario you'll have to visit a dealer for reprogramming the key fob, and also a new receiver module.
The key fob is encased with rubber to prevent water from getting into the electronic chip. If you immerse the key fob in salted or soapy ocean water, the chip inside could be damaged. You can try cleaning the chip by rub it with isopropyl alcohol or electronic cleaner, but in the event that your key fob doesn't work after doing this, then you'll need to buy a new one.
If the keys are in a pair but the receiver module has developed a fault, you can try rebooting all the on-board electronics by removing the battery that is 12 volts for a short period of time. Then, reconnect the battery in reverse order (negative cable first and then positive). This will reset all the electronic components on board and bring them back into operation.
Electronic Chip Faulty
The key fob contains an electronic chip that transmits a signal to the receiver module each time the key is used. If the signal doesn't coincide with the one stored by the car, the immobilizer will disable the engine and stop the vehicle from beginning. 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 is not a permanent part of the device and might have to be replaced to get it to work again. This can be done by removing the key fob from its case, and using a needle or pin to make contact with each metal retaining clip. If they are corroded or damaged, you'll have to replace them to allow the remote control to work. Make sure that any replacement batteries are the same size, voltage, and specification as the original.
The Seat Alhambra is a well-designed and popular model but, as with any car, it can sometimes experience issues with particular components or equipment. For example some owners have encountered problems with the climate control system, which may be faulty and get stuck in one specific setting. Additionally, the infotainment feature has also been reported to malfunction and freeze screens.