Glossary

Shelves of books in a library
Photo: Unsplash License. Illustration of the topic, not a service endorsement.
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Book time
The standard number of hours a repair guide says a typical technician needs for a job.
Labor rate
The amount a shop charges per hour of labor.
OEM
Original equipment manufacturer; parts made by or for the car's maker.
Aftermarket part
A part made by a company other than the car's maker.
Remanufactured
A used part rebuilt to work like new.
Diagnostic fee
A charge for finding the cause of a problem.
VIN
Vehicle identification number, a 17-character code unique to your car.
Recall
A safety repair the maker must fix for free.
Work order
The document you sign that authorizes the shop to work on your car.
ASE certification
A credential showing a technician passed tests in specific repair areas.
Lemon law
A state law that helps buyers of new vehicles with repeated, unfixable defects.