[iAMkenough]

In the Leaf, you can disconnect the TCU from the CAN gateway controller located behind the infotainment system to disable its remote connections.

It will throw a perpetual "check engine" light and disable the hands-free microphone, but OVMS users have made a "dummy TCU" that gets around that annoyance.

I have the opposite problem. The specific infotainment system update I need requires a $200 visit to a dealership with a specific model of a USB 2.0 SanDisk Flash Drive (NI-52727-1). Not available OTA despite the Leaf's OTA capabilities.

[raxxorraxor]

In my country that car would then fail inspection immediately. Of course you could reattach before the check up, but then there is no excuse for just shutting it off.

Buying a modern car seems to come with too many strings attached these days.