> And the solution is almost always “model, make, and serial number.” If you've ever spent time in old car forums, you learn that even this isn't enough becaus

> And the solution is almost always “model, make, and serial number.” If you've ever spent time in old car forums, you learn that even this isn't enough because of production-line sloppiness. Serial number re-use is rare, but it happens. Usually because a product had something detected that resulted in remanufacturing, but sometimes other things slip.