While the average teenager will obviously have to complete basic education in how to drive safely, adults also sign up for courses in things like defensive driving on a... (drive-safely.net)
This helps to provide greater traction when braking into and accelerating out of corners, and when driving on road surfaces with varying grip. (porsche.com)
However, my fear of driving on snow - covered roads has put that to a stop many times over the past month and a half. (thecollegeinvestor.com)