> and at 87 he isn’t interested in a new car with more safety features. The safety features of a new car might not offset the safety of the muscle memory of dr

> and at 87 he isn’t interested in a new car with more safety features. The safety features of a new car might not offset the safety of the muscle memory of driving the old car. At that age and with declining capabilities, the "usual" might actually be safer than "safer but different". Since he seems mindful of his declining capabilities (he is restricting when and by how much he drives), i wouldn't worry too much, he would most likely stop driving on his own, just keep checking him.