I trained my kids early. How to change a tire, even though they’re girls, is important. You need to be able to check the air, oil, coolant and even how to replace your windshield wipers. Amazing how many don’t know how to do that.
Another thing I had to instill in them was doing thank you letters for gifts. Of course they would still rather do other things but we made them do it every time.
And teach them how to jump a car that won’t start and be sure they have jumper cables in the back of their car. I’m surprised how many people do not know how to do this. I suppose it’s now worthless to teach someone how to start their car with a manual transmission by popping the clutch while its rolling….