Topic 6 · Alcohol, Drugs, and Driving (DUI Laws)
What is the best approach if you are unsure whether a substance will impair your driving?
- Take more of the substance
- Do not drive until you are sure it is safe — correct answer
- Drive anyway and see how you feel
Why
If you are not certain, do not drive. Read the label, ask a pharmacist, and wait until you know.
Practise this in the real format
Reading one answer is not the same as sitting the test. The simulator runs the first-time adult form: 36 questions, 6 mistakes allowed, 83% to pass.
Source: California Driver's Handbook (DL 600, rev. 6/2025), the document the DMV writes the real test from. Edited by Fernando Aguilera. Aprobify is not affiliated with the California DMV.
More from Alcohol, Drugs, and Driving (DUI Laws)
- Is it legal to drive after using marijuana in California?
- What is the main message about combining driving with alcohol or impairing drugs?
- If you are convicted of a DUI, what may you have to do before getting your license back?
- What is the effect of alcohol on a person’s confidence in their driving abilities?