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There are a myriad of reasons why the key fob might not work correctly, including dead battery, damage to the receiver module, water issues, or signal interference. This article will walk you through the steps to get it back to working.

Water Damage

If your seat key fob replacement alhambra key fob survives the wash cycle or a bath in the pool or ocean then it probably has an amazing waterproof chip but don't make this a habit as exposure to excessive water increases the risk of the key fob becoming damaged. If your key fob ceases to functioning after being exposed to rain or clean tap water, remove the battery and wipe the electronic component with a paper towel. Let it dry completely before replacing the battery. If the battery is exposed to soapy or salty water it is recommended that you clean the chip using isopropyl alcohol or a electronic cleaner prior to attempting to put the battery back in.

Faulty Receiver Module

If the key fob does not lock or unlock even after you've replaced the button cell battery it could be 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 12 volt battery for about a couple of minutes (first take off the negative cable and then press the horn button multiple times) to remove any remaining electricity and then reconnect it in reverse order e.g. positive cable first then negative.

ESP Warning Light - If the ESP warning symbol flashes this is normal and means that the vehicle is driving on terrains in which the traction between the road surface and tyres isn't optimal, like snow, gravel or lots of surface water. If the ESP warning light is continuously illuminated it indicates that there is a fault within the system and should be detected using an iCarsoft i908 seat key replacement price OBD Code Reader kit which will give you a specific fault description.

Dead Coin Battery

A dead battery for the coin is one of the most frequent reasons for the seat arona key alhambra keys to cease to function. The key fob is powered by a tiny button-cell battery. Replace it with a brand new battery with 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 clean and corrosion-free.

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 with isopropyl alcohol or a electronic cleaner before putting in the new battery. The chip is sensitive to moisture and may be permanently damaged. If the key fob still doesn't work 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 but it did not help, or if it just stopped working without notice The receiver module could have developed an issue. The receiver module receives radio frequency signals from the remote keyfob and transforms them into electrical signals which are then used by other modules in the car.

If the receiver module is faulty, it will not accept any commands from your remote key fob. In this instance, you will need to visit a dealer for reprogramming of your key fob as well as a new receiver module.

The key fob is sealed with rubber to stop water from getting into the electronic chip. If you immerse the key fob in salted or soapy ocean water, the chip inside may be damaged. It is possible to clean the chip by using isopropyl Alcohol to rub it or electronic cleaner, however if your key fob still does not work after this, you'll have to purchase a replacement.

If the keys are connected but the receiver module has developed a fault you can try restarting all the on-board electronics by removing the 12 volt battery for a few minutes. Then reconnect the battery in reverse order (negative cable first, then positive). This will reset all the electronic components onboard and restore their functionality.

Faulty Electronic Chip

The key fob is fitted with a chip that transmits the signal from the key to the receiver module each time the key is used. If the signal received does not match the one recorded by the car the immobilizer is able to shut off the engine and stop the vehicle from starting. However, if the fob isn't functioning and you are not able to reprogram it, it could be due to a defective chip.

The chip inside the key fob might need to be replaced in order to make it function properly. This can be done by taking the key fob out of its housing, and using a needle or pin to touch each metal clip. You will need to replace these in the event of damage or corrosion-prone. Make sure the replacement batteries have the same size, voltage and specifications as the original.

Seat Alhambra is a popular and well-designed car, can have issues with certain components or equipment. Some owners have reported problems with the automatic climate control system. It can malfunction and become stuck in a certain setting. Additionally, the infotainment feature has also been reported to malfunction and freeze screens.