When driving uphill, observe road conditions and slope length in advance, and downshift in time to keep the vehicle powered.

ANSWER · A

Observing road conditions in advance increases driving predictability. Downshifting in time keeps power for smooth uphill driving. High gears are for fast driving; low gears are for starting or moving by gravity. Uphill driving fights gravity and requires enough horsepower, so downshift. Using a high gear may stall or even slip due to insufficient power.

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