Question When driving a trailer with ABS, you should: Answers Not depress the brakes as much as you would when driving a vehicle without ABS. Use extra braking force to ensure the ABS kicks in. Brake as you would when driving a vehicle without ABS. Try to not brakes as often as you would when driving a vehicle without ABS. Explanation When driving a tractor-trailer combination equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would if operating a vehicle without ABS. This questions appears in the following tests: Illinois Combination Massachusetts Double Minnesota Combination Nebraska Double Nebraska Combination North Dakota Combination South Carolina Combination