Brake failure — Montana Permit Test
Brake failure on the Montana permit test — 3 rules, each with the reason behind it and a question on it while it is fresh.
The rules
In Montana's manual, if your brakes stop working, first pump the brake pedal several times; this often builds up enough pressure to stop.
A pedal that has lost pressure can often be brought back with a few quick pumps, before you try anything riskier.
Pump the brake pedal several times. This often builds up enough brake pressure to let you stop.
If pumping the pedal does not work, use the parking brake, pulling the handle slowly so the rear wheels do not lock and skid, and be ready to release it.
Yanking the parking brake can lock the back wheels and spin the car around.
Pull on the parking brake handle slowly so you will not lock the rear wheels and cause a skid.
If neither the pedal nor the parking brake works, shift to lower gears, find a safe place to slow to a stop off the road, and do not drive on without brakes.
A car with no brakes that keeps going will meet something it cannot stop for.
If that doesn’t work, start shifting to lower gears and look for a safe place to slow to a stop.
On the test
Your brakes stop working while you drive. What should you try first?
Pump the brake pedal several times. A pedal that has lost pressure can often be brought back with a few quick pumps, before you try anything riskier. Montana Driver Manual, p.77: “Pump the brake pedal several times. This often builds up enough brake pressure to let you stop.”
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
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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)