If the fifth wheel locking lever is almost locked, but not quite:

Do not drive.. Section 6.4: It must be fully locked.

If the fifth wheel locking lever is almost locked, but not quite:

ANSWER BREAKDOWN
  • A. Correct. It must be fully locked.
  • B. Incorrect. "It is safe." is not correct. It must be fully locked.
  • C. Incorrect. "Use a hammer." is not correct. It must be fully locked.
  • D. Incorrect. "Drive slowly." is not correct. It must be fully locked.