Your Buick LaCrosse doesn’t start anymore? Have you analyzed everything? Battery, alternator, spare keys… And you feel like the issue emanates from your immobiliser ? It is reasonably possible, actually that it is in question if your automotive no longer wants to start or stalls when starting for no reason. You want to disable the immobiliser on your Buick LaCrosse ? You are in the right place, we have created this post to help you see more clearly and solve your trouble linked to this part. First, we will see how the immobiliser functions on your Buick LaCrosse, then the different ways to disable it.


How your immobiliser system functions on Buick LaCrosse

Before explaining the different choices available to you, here is a short intro to describe the purpose and functions of the immobilizer in your Buick LaCrosse. This electronic part appeared 30 years ago and aims to prevent the theft of your Buick LaCrosse. Indeed, 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 Buick LaCrosse will go each time you put the key in the ignition, it controls that the code emitted by your key is actually 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 Buick LaCrosse

Enter the code to turn off the immobiliser

First procedure, your key no longer allows your Buick LaCrosse to start, you want to turn off the immobiliser of your Buick LaCrosse, but first of all you should try this process to start it and take it to a garage examine that you can not execute a less significant process to reestablish the normal start of your automobile. Indeed, with your automobile you should have a spare key (which you should try and which should start your Buick LaCrosse), 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, repeat the process until you have entered the full code. This should let you start your Buick LaCrosse without having to remove the immobiliser.

Repair your key at a key specialist or your car dealer

If in spite of a battery swap, different attempts to enter the immobiliser code on your Buick LaCrosse still doesn’t want to start, it’s likely your key that’s at issue. We can understand that you still want to bypass the immobiliser system from your Buick LaCrosse. Indeed, your transponder must have been affected or must have fallen off your key. To resolve this issue, only option, go to a key specialist (also available on the internet) or, at your car dealer who can restore your Buick LaCrosse key. Based on who you go to the repair should cost you about 100 euros if you still have a copy 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 Buick LaCrosse.

Manually remove your immobilizer

Although you may be attracted to bypass the immobilizer from your Buick LaCrosse, this is not advised at all for many reasons. First your Buick LaCrosse would be much more vulnerable to theft attempts. Indeed, without an immobiliser box, simply doing “the wires” may be enough to start it. In addition to that, your insurance, in case of theft most likely won’t refund you if it acknowledges that the immobiliser on your Buick LaCrosse has been removed, bypassed or deactivated. This if you still want to do it, some internet pages still give the technique, we have made the choice not to disclose it, because it could help people with bad intentions.

To find more tips on the Buick LaCrosse, take a look at the Buick LaCrosse category.