Lmao, oh no, I don't drive. I'm too young.
That's another reason why I said I won't be able to beta read, I'm not experienced, lmao. But yeah, I'll read it.
Never while reading.
For sad stories, I brace in advance so I don't cry. In fact, I like watching the MC suffer.
If the sad part comes out of nowhere like in your one(?), I'm more annoyed than crying. I usually just leave without a word.