Manheim lanes run on announcement codes, and mishearing one is expensive:
- TMU — true mileage unknown. Odometer figure cannot be relied on; value the car as high-mileage.
- As-is — no arbitration on mechanical condition, even under the light system.
- Green / yellow / red light — arbitration eligibility tiers. Red means what it says.
- Title attached / title absent — absent means you wait, and your resale clock waits with you.
Wholesale buyers live by these codes. If you enter through a broker, ask them to forward the exact announcement text, not a summary.