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Pennsylvania Class C Permit Practice Test
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Passing target: 83.3% (15/18)
Warning, Construction & Information SignsStandalone practice
You drive a car with an automatic transmission and see this sign: a yellow diamond that shows a truck on a downward slope. What should you do?
Correct answer: Slow down and shift to a lower gear so the engine helps hold your speed.
Why
Automatic transmissions have low gear positions for this purpose; check your owner's manual. Leave extra following distance on a downgrade, because every vehicle needs more distance to stop. Long grades may have escape ramps for trucks with failed brakes; never stop or park near them.
Verified against Pennsylvania Driver's Manual · Warning Signs · p. 20
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