While steering_wheel might be useful, it's currently used for basically any post of a car. I can't see how it's a useful tag on posts like this:
In fact, over 1.5k of those were added by a single blue user, out of 3.8k posts under this tag.
My suggestion is to limit the usage of this tag to posts where it seems to be detached, or at least prominently displayed (like in car_interior), like how we don't tag every cowboy_shot with legs:
