If the trailer brakes lock and cause a trailer swing while driving a combination vehicle, what should the driver avoid doing?

Pick an answer

1. Easing off the accelerator to let the trailer settle back into a straight line
2. Steering smoothly to maintain the tractor's path
3. Continuing to apply the trailer hand valve hard, which can worsen the swing
4. Watching the mirrors to track the trailer's movement

Correct!

Not quite. The correct answer is highlighted.