TheStreet's Action Alerts PLUS Portfolio Manager said a self-driving car is better than an impaired driver. 'I think the lesson here is that you still can't take your eye off the road,' Cramer said. 'People are going to love Tesla and they loved it before [this accident] and they'll love it after.' A driver was killed in May while riding in a Tesla Model S vehicle under autopilot mode, which raised questions about the safety of self-driving vehicles. On Thursday, Tesla said the Federal government has started to investigate the fatal crash. Tesla shares lost 0.3 percent on Friday.