What should you check about the rear underride guard on a trailer during a pre-trip inspection?

Pick an answer

1. Nothing, since it has no real safety function and exists purely as a rear bumper style decoration
2. That it is polished to a shine
3. That it matches the trailer's paint color
4. That it is bent, cracked, or missing hardware that would weaken it in a rear collision

Correct!

Not quite. The correct answer is highlighted.