Smart cars in the world are catching up to the exercise. It's smart to try the car, as well as certain parts of the car have to make intelligent. Recently there has been a special steering wheel design keeps a constant eye on you and as soon as he realizes that you're tired, then immediately alert sing and condition was filtered. It explains it all gets grip on the steering wheel. Hoffman and Kripanr are designed by company name. The company's engineering team believes you are conscious constantly apply pressure on the steering wheel, the hand Firate. If someone is having a nap or a heart attack or any other reason, there is unconsciousness, and then the pressure will decrease and even wield hands on the steering wheel.