Your Ford comes with a particular operating system and performance parameters. If you want to run something else, you have to jump through a few hoops to change that. Those hoops might be more or less difficult to clear than jailbreaking iOS, but the option/requirement is there in both cases.

Everything intelligent comes with a set of software. You can replace that software (on almost everything?), but then it's up to you to maintain the setup how you like. That's not unique to iOS.