Hazard and stop signals — Hawaii Permit Test
Hazard and stop signals on the Hawaii permit test — 3 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Hazard warning signals (4-way flashers) warn other drivers that a vehicle is in a hazardous position on the roadway.
A car stalled in a lane with no flashers looks like a car that is still moving.
Hazard warning signals (4-way flash) are intended to warn other drivers that a vehicle is in a hazardous position on the roadway.
Hazard warning signals should never be used while the vehicle is moving.
Flashers on a moving car hide its turn signals, so no one can tell where it is going.
THIS SIGNAL SHOULD NEVER BE USED WHEN THE VEHICLE IS MOVING.
At night you can check your stop lamps by looking to the rear of the vehicle while pressing the brake pedal; their light should be visible.
A dead stop lamp gives the driver behind no warning that you are braking.
At night the illumination of the stop lamps should be visible when you look to the rear of the vehicle while depressing the brake pedal.
On the test
What are hazard warning flashers meant to tell other drivers?
Your car is in a hazardous spot. A car stalled in a lane with no flashers looks like a car that is still moving. State of Hawaii Driver’s Manual, p.73: “Hazard warning signals (4-way flash) are intended to warn other drivers that a vehicle is in a hazardous position on the roadway.”
How this works
Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.
You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.
Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.
What it costs
- One payment, once — not a subscription. Nothing renews and there is nothing to cancel, for an exam you sit one time.
- Free to start: a 10-question test and the first section of cards. No sign-up and no account.
- Paying opens the rest of the cards, unlimited full-length practice tests, and retests built from exactly the questions you got wrong.
- Every level up to Prepared — 3 tests passed in a row.
- Do the work, fail the real exam, and we refund you.
Where these come from
Every rule here is checked against State of Hawaii Driver’s Manual, published by the Hawaii Department of Transportation, and against the state code itself. Last checked 2026-10-05.
- src/assets/drivers-manuals/HI.pdf (State of Hawaii Driver’s Manual, 2023, Hawaii Department of Transportation, retrieved 2026-09-14; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/HI.pages.txt (scripts/hi-text.py: PyMuPDF with the clip honored, sorted, hyphens rejoined; the fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/HI-exam.html (County of Maui, Division of Motor Vehicles & Licensing, Class 3 Instructional Permit, https://www.mauicounty.gov/1541/Class-3-Instructional-Permit, read 2026-10-05; states both exam figures; sha256 pinned under examSource)
- https://hidot.hawaii.gov/highways/library/motor-vehicle-safety-office/ (read 2026-10-05; links the manual)
- https://hidot.hawaii.gov/highways/files/2021/08/19-122-std-format.pdf (Hawaii Administrative Rules chapter 19-122, the DOT’s own copy, read 2026-10-05; §19-122-10(f)’s 80 percent agrees with the county’s figures)