During a pre-trip inspection, why should you check the tandem axle slider's locking pins on the trailer?

Pick an answer

1. Slider pins are checked only during the once-a-year annual inspection, never as part of a routine pre-trip check
2. Slider pins only affect ride comfort, not safety
3. The pins are purely decorative on most modern trailers
4. If the pins aren't fully engaged, the slider can shift while driving and change the trailer's weight distribution and handling

Correct!

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