Owner's book · not a shop
Know the car. Then the window. Factory specs in plain English — don't authorize until you can say this at the counter.
RO glossary
Beginner · short stepsExpert · spec · code · mm
Look up the slang on the ticket. Read the trap on that line.
Invoice slang: LOF, MPI, R&R, NTF, shop supplies, 'while we're in there.'
Invoice slang
Try cabin-filter, LOF, or flush
ticket
Remove and replace. They took it off and put a new (or reman) one on.
Say · What was measured on the old part? Keep the old part.
R&R is not a diagnosis. It is the labor line after someone decided.