Keep calm if the other driver is aggressive; stay in your car, lock doors
http://money.mymotherlode.com/clarkebroadcasting.mymotherlode/article/pressadvantage-2026-8-25-weinstein-firm-releases-atlanta-bicycle-crash-analysis
Keep calm if the other driver is aggressive; stay in your car, lock doors, and wait for police rather than escalating the situation.