Originally Posted by Mike Benvo
So it's preferable if someone buys it that has greater than 45K miles, because then it will update to your correct mileage and you'll be set (might need slight coding though to match to your car). If you have under 45K miles and you plug this in, it will RAISE the cars mileage to 45K. If I have a buyer with under 45K, I will have to reprogram the mileage to your mileage and then all will be ok.
Could you not just program the cluster to 0? Then it will sync to however many miles the new vehicle has no matter how many miles are on it?