Mod Details
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The 453 had an alarm fault with regards to the front bonnet/hood switch. You have 2 options. You can fix the fault by clicking here, or disable the switch with DDT4All.
Start DDT4All and connect to the car.
In the 2nd box on the left, select [BCM].

In the 3rd box, select Alarm Perimetric and then Alarm Perimetric – Configuration.

Click on Einstein’s face to enter expert mode.

In the main window, look for Underhood_CF.

Change the true to false and click send.

The bonnet alarm switch should now be disabled.