People who forget to turn their headlights *on*
It seems like a lot of people are forgetting to turn on their headlights at night. Two or three times in the last week I’ve passed cars which had either no lights or just their marker lights on, well past sundown. “What’s that thing that light keeps glinting off of? Oh, just a car with no lights on that I’m coming up behind at 65 miles an hour.” You’d think the fact they can’t read their instrument panel would be a clue to these people, but apparently not.