https://www.theregister.co.uk/2018/10/28/hacking_drm_wait/

Analysis This week the US Copyright Office ruled it's OK for Americans to break anti-piracy protections in a bunch of home and personal devices, and vehicles, in the course of fixing or tinkering with said equipment.

Mechanisms put in place to thwart unauthorized repairs or changes – such as firmware code that disables third-party replacements – can be legally circumvented to fix or adapt – deep breath – smartphones, tablets, smartwatches, routers and other wireless hotspots, digital personal assistants, and cars, trucks and tractors.