Every California smog check term and question, plainly defined

I have to smog my car — how does it work?

The test is a visual inspection plus an OBD scan.

BAR-licensed smog inspection station.

This entry also has a full Q&A treatment: smoganswers.com/q/i-have-to-smog-my-car-how-does-it-work/

View in the A–Z glossary →

Last reviewed 2026-05-25 · Cal Smog Network canonical answer library