Your seat altea doesn’t want to start? Have you tried everything? Battery, alternator, spare keys… And you feel like the issue originates from your immobiliser ? It is quite plausible, indeed that it is in question if your vehicule no longer wants to start or stalls when starting without a reason. You want to disable the immobiliser on your seat altea ? You are in the right place, we have made this content to help you see more clearly and fix your trouble linked to this component. First, we will see how the immobiliser functions on your seat altea, then the different ways to disable it.

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How your immobiliser system functions on seat altea

Before detailing the different alternatives available to you, here is a short introduction to describe the aim and operation of the immobilizer in your seat altea. This electronic element was invented 30 years ago and aspires to prevent the theft of your seat altea. Actually, thanks to a transponder and an antenna (coil) included in the key, and, a immobilisation control box included in the ECU and a reception antenna on the neiman, your seat altea will go each time you insert the key in the ignition, it controls that the code emitted by your key is indeed the one asked by your immobilization box. It is only at this moment, that it will enable you to start. It is thanks to RFID technology (chip in the key) that this unit will work.

The different alternatives to bypass the immobiliser on your seat altea

Enter the code to turn off the immobiliser

First methodology, your key no longer allows your seat altea to start, you want to turn off the immobiliser of your seat altea, but first of all you should try this process to start it and take it to a mechanic check that you can not execute a less significant procedure to reestablish the normal start of your automobile. Actually, with your automobile you should have a spare key (which you should try and which should start your seat altea), but if you don’t have it you should at least have the “code card”, it includes the start code. Thanks to this code, you will still be able to start your automobile by entering it manually. To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to validate the digit and resume, duplicate the procedure until you have entered the whole code. This should enable you to start your seat altea without having to remove the immobiliser.

Fix your key at a key specialist or your car dealer

If in spite of a battery change, different tries to enter the immobiliser code on your seat altea still doesn’t work, it’s almost certainly your key that’s at issue. We can understand that you still want to bypass the immobiliser system from your seat altea. Actually, your transponder must have been damaged or must have fallen off your key. To fix this issue, only solution, go to a key specialist (also available on the internet) or, at your car dealer who can restore your seat altea key. Determined by who you go to the repair should cost you about 100 euros if you still have a duplicate or your “code card” and about 350 euros at your car dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your seat altea.

Manually remove your immobilizer

Although you may be tempted to bypass the immobilizer from your seat altea, this is not recommended at all for some reasons. First your seat altea would be much more vulnerable to theft attempts. Actually, without an immobiliser box, simply doing “the wires” may be enough to start it. Additionally to that, your insurance, in case of theft most likely won’t refund you if it knows that the immobiliser on your seat altea has been removed, bypassed or deactivated. This if you still want to do it, some websites online still give the process, we have made the choice not to disclose it, because it could help people with bad intentions.

If you want more tutorials on the seat altea, go to our seat altea category.