How about yeshivos organize an evening class on halachos of defensive driving, driving politely lemehadrin, and basics of car service. A mechanic should be able to do his part for free as an advertisement for his shop.
In addition to chips that require dealers, we need to appreciate cars becoming better – my mechanic lamented that there is no metal rusting in the car any more. Now if people would stop bumping into each other, he would be out of work.