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Iowa Class C Knowledge Test Practice
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Passing target: 20/25 correct (TLA practice target)
Vehicle Safety, Documents & TowingStandalone practice
A driver-assistance feature is active, but rain and dirt are interfering with its sensors. Which approach is safest?
Correct answer: Stay in direct control and watch for hazards.
Why
Read the owner’s manual to understand the feature’s limits. Detection can be affected by the surroundings and sensor condition. Maintain normal observation, a suitable speed and safe control even when assistance is available.
Verified against Iowa Driver's License Manual and current primary rules · Assistance sensors have limits · p. 26, 29, 30
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