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This would be a driving simulation,
reusing features from existing driving
games, etc., which would be operated by
the back-seat driver. It would show a
beautifully rendered simulation of the
the car was actually driving along, with
depictions of the other cars on the road
from a small radar system
mounted on the roof. Information about
the road surface and the amount of grip
available would come from sensors under
the car and from the ABS system. Noise
distractions and local weather conditions
would also be included in the
All this would
your back-seat driver to 'drive' their
simulated version of your car down the
same roads as you. Then, instead of the
BSD saying such things as "You should
have braked earlier", they can actually
brake earlier on their simulation. Each of
the differences between driving action
style between the BSD's simulation and
your driving, expressed as parameters
including braking pressure, fuel
reaction times, road positioning will be
carefully calculated by sophisticated
onboard computers. These will then be
reduced to a single parameter expressing
the extent to which,
moment-by-moment, the BSD is a
better driver than you, which can be
a simple dial on the dashboard, and
||More expensive than my middle finger, but more fun too.
||//which can be shown on a simple dial on the dashboard, and ignored//
||I saw the title, and thought of a machine in the back to constantly patronise you and demean your driving, but this is better, and actually has a point.
||When I am driving and my sister is the passenger, she constantly stamps on an invisible brake pedal in her footwell, I am not an overly aggressive driver, it is just that she has been involved in several nasty accidents. Giving her something to take her mind off the road would be good....[+]
||[Minimal] Your sister may need a different device, perhaps a passenger-side brake pedal connected to the passenger-side seatbelt tensioner. Then, when she presses the brake pedal the seatbelt will tighten slightly, giving her an added feeling of security.
||For Sale: 2006 MB S55 AMG w/21,300 miles. 5.5L, Supercharged, AT, AC, Leather, Nav, AM/FM/CD/DVD, PB, PW, ABS, ESP, BSDS....
||a truly fantastic idea, That would make what used to be annoying but comforting car journey a journey of silent, mindless tedium...I prefer shouting at the BSD, although the smarmy response of "well you wouldn't have crashed if you had been concentrating instead of shouting at me..." wear me down fast. On second thoughts, I prefer the silence. [+]
||I was thinking this would be one of those automated direction devices, only programmed to give the directions ten seconds too late ("You should have taken that exit a hundred yards back...").
||[hippo]'s idea for a seat-belt tensioner pedal is good and unique enough for a listing of its own, and I'd bun it.
||I like this idea too. In a more advanced iteration, it could pick up data from sensors around the car and model the real world on the simulator, and perhaps show the BSD just how lousy their judgment might have been.
||OTOH, if the BSD takes the correct turn on the simulator, who then will tell the real driver when he's gone the wrong way? The BSD is satisfied because he is going right and will arrive on (simulated) time.
||Why do my cars not have this??