The 'Wig Wag' is:

A mechanical low air pressure warning device.. Section 5.1: A wig wag is a mechanical arm that drops into your view when air pressure is

The 'Wig Wag' is:

ANSWER BREAKDOWN
  • A. Incorrect. "A type of brake pad." is not correct. A wig wag is a mechanical arm that drops into your view when air pressure is low (found on older trucks).
  • B. Correct. A wig wag is a mechanical arm that drops into your view when air pressure is low (found on older trucks).
  • C. Incorrect. "A steering maneuver." is not correct. A wig wag is a mechanical arm that drops into your view when air pressure is low (found on older trucks).
  • D. Incorrect. "A type of trailer." is not correct. A wig wag is a mechanical arm that drops into your view when air pressure is low (found on older trucks).