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2026 District Of Columbia DMV Knowledge Test Class A Test 2
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Question Number 27
27. How should you test the low pressure warning signal?
Engage and disable the parking brake.
Rapidly press and release the brake pedal.
Open the rear shut-off valves.
Uncouple and recouple all glad hands.
✔ Correct Answer:
Rapidly press and release the brake pedal.
Count Down:
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