5 Seat Keys Replacement Lessons From The Pros
Seat Alhambra Key Problems
Seat's jumbo family MPV is among the top in its class in terms of maintaining resale value. And with a new generation model now available, it's better than ever.
There are a variety of reasons why the key fob may not work properly, including a dead coin battery or damage to the receiver module, or signal interference. This article will guide you through the steps needed to make it work again.

Water Damage
If your seat alhambra key fob survives the wash cycle or a bath in the ocean or pool then it probably has an amazing waterproof chip. However, do not use it regularly because exposure to water in excess increases the chance of the key fob becoming damaged. If the key fob stops functioning after exposure to clean water from the tap or rain, simply take out the battery, wipe the electronic component with a paper towel and allow it to dry completely before putting the battery back into. If the battery is exposed to soapy or salty water it is recommended to wash the chip using isopropyl alcohol or a electronic cleaner prior to trying to put the battery back in.
Faulty Receiver Module
If you've tried the battery of a button cell and the key fob still doesn't lock or unlock then it is likely that the receiver module has found a fault. The good news is that this is a fairly easy and inexpensive repair, you can simply disconnect the 12 volt battery for just a few minutes (first take off the negative cable then press the horn button numerous times) to drain any residual electric current, then reconnect it in reverse order e.g. Positive first and then negative.
ESP Warning Light - If the ESP symbol flashes, this is normal. It means that you're driving on terrain with poor traction. This could be due to gravel, snow or surface water. If the ESP warning light is continuously shining, it is a sign that there is a fault within the system. This can be identified using an iCarsoft i908 Seat OBD Code Reader kit that 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 tiny button-cell battery. It is recommended to replace it with a new one that has the same voltage, size and specifications as the original. If you're replacing the battery, be sure to remove all metal clips from the back of the key fob. Also, ensure that the contacts are clean and 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 isopropyl alcohol before installing a brand 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 could be necessary to replace the key fob.
Faulty Receiver Module
If your key fob stopped working after replacing the battery, but it didn't help, or if it stopped working completely in a sudden manner the receiver module may have developed an issue. The receiver module receives the radio frequency signals from your remote keyfob, and transforms them into electrical signals that are then followed by other modules in the car.
If
seat arona key has suffered a malfunction, it will not respond to any of the commands received by your remote key fob. In this case you'll be required to visit a service for reprogramming your key fob as well as a new receiver module.
The key fob has been sealed with rubber to stop water from entering the electronic chip. However, if you submerge your key fob into soapy water or salty ocean water, the chip inside could be damaged. You can try cleaning the chip by using isopropyl Alcohol to rub it or electronic cleaner, but should your key fob doesn't work after doing this, then you'll need to purchase a new one.
If the keys are linked, 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. Then, reconnect the battery in reverse order (negative cable first, then positive). This will reset all electronic components on board and restore their functionality.
Faulty Electronic Chip
The key fob is equipped with an electronic chip that transmits a signal to the receiver module every time the key is used. If this signal does not match the one stored by the car the immobilizer will stop the engine and prevent the vehicle from starting. If the key fob you purchased does not function and you are not able to reprogram it, this could be because of an incompatible microchip.
The chip in the key fob may have change to allow it to function again. This can be done by taking the key fob out of its housing, and then using a needle or pin to make contact with each metal retaining clip. You'll require replacement in the event that they have been damaged or corroded. Make sure that any replacement batteries are the same voltage, size and specification as the original.
The Seat Alhambra is an attractive and well-designed model but like any other car, it can sometimes experience issues with certain components or equipment. Some owners have reported issues with the automatic climate-control system. It could malfunction and become stuck in a certain setting. The infotainment system can also malfunction and freeze the screens.