> if you make these features work without paying(assuming you paid for the car outright), is that illegal? After all, you own the heated seats - you just instal

> if you make these features work without paying(assuming you paid for the car outright), is that illegal? After all, you own the heated seats - you just installed an extra switch to put them on. If you try and hack through the DRM on the controller, they might try and get you for copyright infringement on the software on the controller. But if you just write your own controller, things might be different.