Well I'm doing some research on Manheim to answer my question. Maybe this data will help others. Manufacturer date, service date, mileage, bars, location:
2/13, 5/13, 37,800, 11 Bars, CA
1/13, 3/13, 36,800, 10 Bars, HI
4/13, 5/13, 35,100, 12 Bars, FL
3/13, 4,13, 35,100, 9 Bars, HI
9/13, 9/13...