Commercial Driver’s License (CDL) Practice Exam

Which statement about downshifting while driving is NOT accurate?

Downshift when approaching a hill Downshift before entering a curve Downshift when you get to the bottom of a hill Downshift to maintain control during braking

Correct Answer:

Downshift when you get to the bottom of a hill

Explanation:

Downshifting at the bottom of a hill is generally not considered a good practice because it can lead to a loss of control. When reaching the bottom of a hill, vehicles typically begin to gain speed due to gravity, and downshifting at this moment may not provide the necessary engine braking to help slow the vehicle down effectively. Instead, it's preferable to downshift when approaching a hill or a curve, as this allows the driver to maintain better control and use engine braking to aid in deceleration when needed. Therefore, understanding the right moments to downshift is vital for maintaining safe vehicle operation.

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