[fordmerc7]

I agree that the numerical age is unimportant. Physiologic age obviously doesn't keep octogenarians and nonagenarians out of cars. IMHO, the most important thing is mental age: if you have any doubts, don't do it for your sake and the sake of others.Recognize that if ANY episode or problem occurs, like an accident or near-accident, or disorientation, etc. it may be a sign that you should think seriously about keeping the car in the garage.