Signal when slowing — Montana Permit Test
Signal when slowing on the Montana permit test — 3 rules, each with the reason behind it and a question on it while it is fresh.
The rules
If you will stop or slow where another driver does not expect it, tap your brake pedal three or four times quickly to warn those behind you.
Flashing brake lights catch the eye of a driver behind who would otherwise expect you to keep going.
If you are going to stop or slow down at a place where another driver does not expect it, tap your brake pedal three or four times quickly to let those behind you know you are about to slow down.
Signal when you slow down to park or turn just before an intersection, because following traffic expects you to go through it.
The driver behind is watching the light ahead, not you, and does not expect you to stop short of it.
Your brake lights let people know that you are slowing down.
Signal when you slow down to turn off a road that has no separate turn or exit lanes.
With no turn lane, you slow down in the traffic lane, right in front of cars still at full speed.
Always slow down as early as it is safe to do so.
On the test
How do you warn drivers behind you that you will slow where they do not expect it?
Tap the brake pedal 3 or 4 times. Flashing brake lights catch the eye of a driver behind who would otherwise expect you to keep going. Montana Driver Manual, p.58: “If you are going to stop or slow down at a place where another driver does not expect it, tap your brake pedal three or four times quickly to let those behind you know you are about to slow down.”
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 Montana Driver Manual, published by the Montana Department of Justice, and against the state code itself. Last checked 2026-10-04.
- src/assets/drivers-manuals/MT.pdf (Montana Driver Manual, Revised April 2024, Montana Department of Justice, Motor Vehicle Division, retrieved 2026-09-14 and re-checked 2026-10-04; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/MT.pages.txt (scripts/mt-text.sh: pdftotext -layout except printed pp.24-26, which are plain; the fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/MT-exam.html (Administrative Rules of Montana 23.3.121, Road Signs and Road Rules, as reproduced by the Legal Information Institute, read 2026-10-04; states the seven-miss pass mark; sha256 pinned under examSource)
- https://mvdmt.gov/forms-driver-license/ (read 2026-10-04; links the manual)