ABS helps you: Question ABS helps you: Answers Lock up your wheels. Keep your wheels from locking up. Count the number of students boarding the bus. Explanation The function of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up when the driver brakes hard on a slippery surface. This questions appears in the following tests: Arizona Bus Arkansas Bus Iowa Bus Iowa Bus Maine Bus Michigan Bus New Mexico Bus Oklahoma Bus South Carolina Bus Vermont Bus Washington Bus Wyoming Bus