Driver Guides
Short, practical answers to the questions California drivers ask most about smog checks and tire repair.
- How Much Does a California Smog Check Cost? (2026) — Smog check prices are set by each station, plus a fixed $8.25 state certificate fee. What changes the price, who is exempt and what happens if you fail.
- STAR vs Regular Smog Check: Which One Do You Need? — Your DMV renewal notice tells you whether you need a STAR station. What STAR means, why cars get selected, and how to find a STAR station near you.
- Can My Tire Be Repaired? Puncture Repair Rules Explained — A puncture can be repaired only if it is in the tread and no larger than 1/4 inch, using a plug-and-patch from inside the tire. Sidewall and shoulder damage means a new tire.