

The almost universal standard around the world is between 15 and 16 years old
No. It is 18. The universe, btw, is outside of your weird little province in that weird country where they still use body parts for measurement units.
And as soon someone is driving on public roads with a legal license, everything that the car does or does not is his own personal responsibility, not the parents. They have to leave their fingers out.

What country/culture/religion are you asking about?