Retest prep
Got the CA retest letter? Breathe.
News reports describe California drivers being told to take the knowledge test again: at a renewal, after a reexamination notice, or when an application expires. We cannot know your case, so go by the letter the DMV sent you. Whatever the reason, the preparation is the same: know the current handbook. That is the only thing the test measures.
Verified against the current official CA Driver's Handbook (DL 600, rev. 6/2025), checked July 2026.
A sane plan for the retest
- Take one mock exam before you study, to see where you stand. It grades at least as strictly as the real test.
- Drill your mistake notebook. Every miss keeps its handbook citation, so you can read the actual rule, not someone's summary of it.
- Practice the weak topics with the topic filter, then take mock exams until the readiness meter says Ready.
All of it is free, unlimited, and works on your phone. No account, no trial, no card.
PermitProof is not affiliated with the California DMV.