> the one without a steering wheel could be autonomous

How silly, even autonomous vehicles have steering. They may be built without the wheel, but they have some kind of steering mechanism

> or the place you want to get to is in a completely straight line from where you start

I hope your wheels never lose alignment and that you're pointed exactly where you want to go at the start.

It's not a weird example at all if you don't come up with crazy unrealistic situations that don't match actual cars or the metaphor.