Practice question

During a pre-trip inspection, what is the best method for checking your lights?

  1. Parking near a mirror to look for a reflection
  2. Activating the lights, then exiting the vehicle to check
  3. Looking on the instrument panel to see if any warning lights are illuminated
  4. Driving in traffic and waiting for other drivers to let you know your lights are out

Answer: B — Activating the lights, then exiting the vehicle to check

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Practice more: Colorado CDL Class A Knowledge Test 1 →