If you have successfully completed a state-approved 8-hour defensive driving course you are eligible to take a 4-hour defensive driving course to renew your insurance certificate. Improve your driving skills, and if you're 55 or older, get a 10% discount on your personal auto insurance. The Defensive Driving Course teaches basic crash prevention techniques and has a proven record of reducing traffic violations and incidents. It's taught by experienced, professional traffic safety instructors, including current and former law enforcement. The class consists of lecture, films and discussions.