said by lonnyb:
If a car's odometer goes from 99999 to 00000, does it self-destruct?
Maybe not the entire car but there was a case where it broke the odometer! This was still in the days of mechanical odometers and it was originally intended to be a security feature to prevent odometer fraud (after many odometers introduced safeguards against spinning the mileage back down, crooks started to use electric drills to spin the odometer forward to cross over 9999...).--
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