Leave at least a two second gap between oneself and the car in front, as this keeps down insurance premiums. Do not try to tail gate, or trying to chew off the rear bumper of the car in front, as this is expensive on insurance. Tail gateing is probably the biggest source of motorway accidents. Conscious driving certainly teaches defensive driving. When driving, if a police car creeps up without being seen, then one has failed the test.
Mental illness can be a bar to keeping a driving licence.
When meditating in a car, it is necessary to keep one's wits and perception at a high level at all times. It must however be said, that all cars now have radios and tape players, and some people actually use them. What happens to their level of perception, is a mystery. Also some psychiatrists are now advising people to sing and laugh, while driving, to blow off tension. Meditation inspired by psychiatrists is liable to be kids' stuff, compared with that inspired by Thor.