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Commercial Driver's License

Category - Standard Driving

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When driving a commercial vehicle with an automatic transmission, drivers should use which of the following gear ranges for downhill travel?

Higher range
Low range
No need to adjust range on automatic transmissions
Mid range

Explanation

Answer: B - When driving a commercial vehicle with an automatic transmission, drivers should always select the low range of gears before starting down a hill. This allows for the additional engine braking that is imperative for safe downhill travel. It is, in effect, the same as downshifting a manual transmission. Failure to select a low range can lead to the vehicle picking up too much speed on the downgrade, which can lead to serious accidents.

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Commercial Driver's License

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Commercial Driver's License

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