Instructions to put your hands on the steering wheel of a car at clock positions 10 and 2 dates back to when most cars did not have power steering.
Studies are now showing that holding the wheel at 10 and 2 is dangerous.
According to an article on AOL Autos, "If a steering wheel airbag were to deploy, it's much more likely that the driver's arm would be blown into their face, causing serious pain and potentially life-threatening injuries."
The article stated, "AAA suggests keeping your hands on the side of the wheel at 3 and 9 or the bottom of the wheel 8 and 4. It will not only reduce driving fatigue, it might just save you a trip to the hospital."