The best authors persuade their readers by challenging them. The author wants the readers to believe that self diving cars will take over the road in the furture, but not soon . But in the article he seeks to persuade the readers to believe that the car will be a dangerous on the road. Why because the car drives by itself but it have some technical problems with the car . and there are a little shortest in the car that if you turn left the car start to shack . to many more design obstacles the car are struggling to detected the little plastic bumps.