New answers tagged gm
1
AFAIK, it's still possible on any car. Interrupt whatever mileage sensing system they have and the odometer won't increment. Older cars it was cable driven from the transmission. Newer cars have electrical sensors. Either way, interrupt the signal and no mileage gets counted. I can imagine it may be able to come up with a system less easily fooled if ...
2
Odometer tampering always has been and will probably always be possible. The only thing likely to change is the difficulty involved (and perhaps the legal penalties for doing it).
If the perpetrator doesn't thoroughly cover their tracks, you might find hints that something isn't right by checking service records and Carfax (or similar services). Oil ...
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