My son turned 16 this year and I already plan to start teaching him how to drive.

Personally I dont think anything change with or without licence. If he got licence, then its a different story? There is nothing to politic over an accident to be honest. As parents, I also do not think we should nag too much on not to speed on the road as I think most of us do and do it while our kids is watching. Instead we should teach them how to drive fast properly, respecting other road users and maintain the car in good condition.