Seat Alhambra Key Problems

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There are many reasons why the key fob won't perform as it should, including an unresponsive coin battery or damage to the receiver module, or signal interference. This article will guide you through the steps necessary to make sure it works.

Water Damage

If your key fob for the seat leon key alhambra survives washing cycles, a dip in the 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 likelihood of the key fob being damaged. If your key fob stops functioning after exposure to rain or clean tap water, unplug the battery and clean the electronic component with a towel. Dry it completely before replacing the battery. In the event of exposure to salt or soapy 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've replaced the battery of the button, it is possible that the receiver module is suffering from a fault. The good thing is that this is a fairly easy and affordable fix, you can disconnect the battery for several minutes (first remove the negative cable and press the horn button numerous times) to drain any residual electrical current and then reconnect it in reverse order e.g. positive cable first then negative.

ESP Warning Light – If the ESP symbol is illuminated, this is normal. It indicates that you are driving over terrain with poor traction. This could be caused by snow, gravel or surface water. If the ESP light is constantly flashing, it is a sign there is a fault in the system. This can be diagnosed by using an iCarsoft i908 seat OBD code reader kit. It will provide you with a an in-depth description of the fault.

Dead Coin Battery

A dead coin battery is among the most frequent reasons for the seat alhambra keys to stop working. The key fob is powered by a small button-cell battery. It should be replaced with a replacement that has the same size, voltage and specifications as the original. When replacing the battery on the key fob, remove all metal clips and ensure that the contacts of the key fob are free of corrosion and clean.

If the key fob was exposed to water, such as soapy or rain, it's recommended that you take the battery off and clean the electronic chip using isopropyl alcohol or a electronic cleaner prior to installing the new battery. The chip may be permanently damaged by water. 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 did not help, or if it suddenly stopped working without notice the receiver module may have developed an issue. The receiver module receives the radio frequency signals from your key fob's remote and transforms them into electrical signals that are then processed by other modules within the car seat key.

If the receiver module is damaged, it will not accept any commands from your remote key fob. In this case, you will be required to visit a service for reprogramming your key fob and a new receiver module.

The key fob comes with rubber seals that prevent water from getting into the chip inside. However, if you submerge your key fob in soapy water or salty ocean water, the chip inside could be damaged. You can attempt to clean the chip by using isopropyl Alcohol to rub it or electronic cleaner, but If your key fob isn't working after this, then you'll need to buy a new one.

If the keys have been paired but the receiver module has developed a fault you can try rebooting all of the onboard electronics by removing the battery at 12 volts for a short period of time. Then reconnect the battery in reverse order (negative cable first followed by positive). This resets all the electronic components onboard and restore their functionality.

Faulty Electronic Chip

The key fob comes with a tiny chip that transmits an indication from the key to the receiver module every time the key is used. If the signal isn't in line with the one the car has stored the immobilizer will turn off and prevent the vehicle starting. However, if the key fob isn't working, and you can't reprogram it this could be due a damaged chip.

The chip in the key fob is not permanent to the device and could need to be replaced to make it work again. The best way to do this is to remove the key from its housing and then using a pin needle to contact each of the metal retaining clips. If these are corroded or broken, you will have to replace them to allow the remote control to function. Make sure that the replacement seat car key batteries are of the same size, voltage and specification as the original.

The Seat Alhambra is a well-designed and popular car however, like all cars, it can sometimes experience issues with certain components or equipment. For example there have been reports of owners experiencing problems with the automatic climate control system, which could fail and become stuck in one specific setting. Additionally, the infotainment feature has also been found to malfunction and cause freeze screens.