Seat Alhambra Key Problems
Seat's jumbo MPV family is among the top in its class when it comes to resales value. And with a new model now on sale it's even more impressive.
There are a myriad of reasons why the key fob may not function properly including dead coin battery damage to the receiver module, water issues, or signal interference. This article will walk you through the steps needed to get it working again.
Water Damage
If your key fob for the seat Alhambra is able to withstand a wash cycle or a dip in the ocean or a pool then it is equipped with a waterproof chip. But be careful not to do this often as excessive exposure to water can increase the risk of the key fob being damaged. If your key fob ceases to functioning after exposure to rain or clean tap water, remove the battery and wipe the electronic component using a towel. Let it dry completely before replacing the battery. If the key fob has been exposed to salty or soapy water it is recommended that you clean the chip with isopropyl or an electronic cleaner.
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's likely the receiver module has found a fault. The positive side is that this is a simple and inexpensive repair, you can just remove the battery 12 volts for several minutes (first remove the negative cable and press the horn button a few times) to eliminate any remaining electric current, then reconnect it in reverse order e.g. positive cable first then negative.
ESP Warning Light If the ESP warning light is flashing, this is normal and signifies that the car is driving on terrain where the traction between the road surface and tyres is not ideal such as snow, gravel or lots of surface water. If the ESP light is constantly 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 you with a the full description of the problem.
Dead Coin Battery
One of the most frequent reasons for the seat alhambra key not functioning is a dead coin battery. The key fob is powered by a small button-cell battery. It should be replaced with a replacement that has identical in size, voltage, and specification as the original. If you are replacing the battery, be sure to remove all metal retaining clips from the back of the key fob and make sure the contacts are clean and free of corrosion.
If the key fob has been exposed to water, like soapy or rain, it's recommended that you take the battery off and clean the electronic chip with alcohol isopropyl or an electronic cleaner before putting in the new battery. The chip is sensitive to moisture and can be permanently damaged. If the key fob still doesn't work after replacing the battery it may be necessary for you to replace the key fob.
Faulty Receiver Module
If your key fob stopped working after you replaced the battery but it did not help, or if it just stopped working suddenly it is possible that your receiver module may have developed an issue. The receiver module takes the radio frequency signals from your remote keyfob and transforms them into electrical signals that are then processed by other modules within the car.
If the receiver module has a problem and is not able to take any commands from your remote key fob. In this case you will require a dealer to reprogramme the key fob and install an entirely new receiver.
The key fob is sealed with rubber to keep water from getting into the electronic chip. If you immerse the key fob into soapy or salty water, it could cause damage to the chip. If your key fob does not work, you could try cleaning the chip with isopropyl or an electronic cleaner.
If the keys have been paired but the receiver module has developed a fault, you can try to reboot all of the onboard 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 before positive). This will reset all the electronic components on board and bring them back into operation.
Electronic Chip Faulty
The key fob is equipped with a tiny chip which transmits the signal from the key to the receiver module every time the key is used. If the signal doesn't coincide with the one stored by the car the immobilizer is able to shut off the engine and stop the vehicle from beginning. If seat leon car key battery replacement purchased does not work and you are unable to reprogram it, this could be due to an issue with the microchip.
The chip in the key fob may need change to make it work again. The most effective method for doing this is by removing the key from its housing and using a pin or needle to get into contact with each of the clips made of metal. If the clips are corroded, or broken, you will need to replace them in order for the remote control to work. Make sure that any replacement batteries are of the same size, voltage, and specifications as the original one.
Seat Alhambra, a popular and well-designed car, can be a bit troublesome with specific parts or equipment. Some owners have reported problems with the auto climate control system. It could fail and cause problems, and then get stuck in a specific setting. The infotainment system could also malfunction and freeze the screens.