Wire cutters are the universal off button.

We have a problem with third subsystems in the car checking that all security subsystem be present in order to start normal march (as opposed to "degraded mode" or just "off").

I have seen vehicles which worked with some security subsystems disconnected, and others that refused to work properly.

Plus, you have the issue of the method: "Welcome to your wedding: this is your wife, and this the complimentary gimp (should you want to dispose it, you have the onus)".

Plus: have you considered how much the complementary gimps (etc.) that come with the car inflate its price?

If they start checking for it you can use a dummy load on the antenna port

Also a universal guilty verdict if you try to beat the ticket.

Wait until it becomes illegal