Header boards protect the driver from:

Cargo shifting forward in a crash.. Section 3.3: Front-end header boards ('headache racks') protect you from your cargo in case of a crash

Header boards protect the driver from:

ANSWER BREAKDOWN
  • A. Incorrect. "Wind." is not correct. Front-end header boards ('headache racks') protect you from your cargo in case of a crash or emergency stop.
  • B. Incorrect. "Sun." is not correct. Front-end header boards ('headache racks') protect you from your cargo in case of a crash or emergency stop.
  • C. Correct. Front-end header boards ('headache racks') protect you from your cargo in case of a crash or emergency stop.
  • D. Incorrect. "Rain." is not correct. Front-end header boards ('headache racks') protect you from your cargo in case of a crash or emergency stop.