Likely as not the answer will be "no," because our approach is too direct and jarring.
The fellow who starts off focused on her, by complimenting her sweater or her pretty smile - he's the one who gets the girl.
I should hasten to add that many people - autistic and non-autistic - feel genuine empathy and concern for other people, but social success springs from successful expression of feeling, not the actual feelings themselves.
And some of those expressions are sincere while many are not.
So in that light, the most important words for a different mechanic might have been to congratulate the motorist's daughter for winning her swim race.