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
service
The filter behind the glove box (usually). Air you breathe.
Say · Show me the old one. If it is white, I can decline.
A $90 cabin filter at the dealer is often a $15 part plus 0.2 hours. Ask to see it.