Do you currently have car insurance? Insurance is mandatory to drive in California Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. 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. Take a FREE Practice Test Now This questions appears in the following tests: Alabama Bus , Michigan Bus , Missouri Bus , Utah Bus ,