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The system uses GPS and a camera that recognizes road striping to keep you in your lane.How will it compensate for road crown, or variations in elevation in road surface that can cause a car to 'drift' to the right or the left? Whatabout slightly different tire pressures? Even with modern TPMS systems, the vehicle will allow around a +/- 3psi variation, and 6psi difference will easily cause a car to pull one way.
Like I said the notion of a car driving itself without an attentive operator is extremely unlikely to happen. Although you could have the system programmed to handle any of those contingencies rather easily. Cops would be able to send a command to your car to pull itself over. In the event of a catastrophic failure, the car would slow itself to a stop as safely as possible and sound an alarm. The system wouldn't function without someone in the driver seat. Etc.And what about traffic stops? Someone has a license plate light out (lol), who does the ticket go to? And how does the officer even get the car to stop, if - say- the owner/operator is asleep?
Here's another scenario, creepy guy kidnaps a hot 16 year old he met online, duct tapes her up, puts her in the trunk of his driverless Prius (well, hatch...whatever), programs the computer to drive a gajillion miles away, hits start, and hops out of the car....if police locate the car, how are they going to pull it over to rescue the girl?
What if the car has a blowout while the driver is asleep? What if a component fails on the vehicle? Wheel bearing decides it's gonna take a vacation in Shoulderville, and falls the fuck off? What if the owner gets their tires rotated at Sears - even if it's by a guy that went to tire college?
It won't happen.
just think of the Onstar program. does the same thing. cops could call in your plates, car stops on it's own.
But what if you don't pay for the subscription?