One of the interesting things about moving from an ancient car to a recent model is the availability of mechanisms to help the driver. At the extreme level, such as claimed by Tesla, this goes all the way to driving for you (occasionally into things you don't want to drive into). My car doesn't go that far, but for me provides three levels that give me what feels, for the moment, to provide the Goldilocks ideal of not too intrusive, not too feeble, but just right. At the highest level, which I use on motorways and fast dual carriageways, it keeps me at my desired speed, slowing down if there's an obstacle in front, keeps me in lane and (when it's in the mood) will change lane when I indicate. The fascinating thing about this is that because the steering movements are very gentle it is almost impossible to detect that it is steering unless you take your hands off the wheel (at which point, the car fairly rapidly starts to complain). Steering is such an automatic thing fo...