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Commercial Driver's License

Category - Inspections

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When performing a pre-trip inspection on the vehicle mirrors, drivers should ensure:

All mirrors are adjusted properly.
Mirror adjustment bolts are present and in good working order.
Mirror lenses are clean.
All of the above

Explanation

Answer: D - When performing a pre-trip inspection, drivers must ensure that all of their mirrors are adjusted properly. It is not uncommon for mirrors to be moved by other drivers and adjustments must be made for each individual driver before they begin the trip. Drivers must also ensure that all adjustment bolts, screws, brackets, etc. are in place and in good working order. A clean mirror is essential to safe driving.

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Commercial Driver's License

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Commercial Driver's License

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