1. How to give a proper courtesy wave after someone lets you in.
You’ve been stuck at a stop sign for 4 minutes trying to merge into traffic. You’re hungry and you have to go to the bathroom. When that angel from above in the ‘94 Camry eases on the brake to let you sneak in, you don’t just sit there. You raise your hand, slightly turn your head, and flick the wrist.
4. How to not park like a jerk.
There are lines. You need to park between them.