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Can a FZ assist in enrolling a new key in the ECU immobilizer’s list of approved keys, or does it just facilitate a relatively quiet way of unlocking the doors?

Because honestly there are lots of ways of gaining access to the inside of a vehicle, and if it can’t enroll a new key it’s neither necessary nor sufficient for stealing a vehicle.

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This is why keyless fobs are such a bad idea. Transponder keys that have to be in the lock are much more secure as a form of 2FA.

A lot of the weak security now being exposed by the Flipper Zero (but they already existed and were actively being exploited) are the result of trading in security for convenience.

An example: Contactless payments, I can pay up to €50 by just pressing my bank card against the receiver. Very convenient, but, anyone can hold a receiver up to where I have my card and steal money that way. There's insurances of course, in this case the bank is pretty clear in saying "we know this is a risk and you will be compensated", same as with their apps etc. But it is a tradeoff.

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