Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance and I want to compare options. Before you start the test, please answer the following question regarding your insurance status. Without insurance you will not be able to drive in California Question Truck tractors with air brakes built on or after March 1, 1997 must be equipped with: Answers ABS. A flag. White warning lamps. GPS. Explanation Truck tractors with air brakes built on or after March 1, 1997 must be equipped with an Anti-Lock Braking System (ABS). Take a FREE Practice Test Now This questions appears in the following tests: Nebraska Knowledge Test Class A , Arkansas Knowledge Test Class B , Indiana Knowledge Test Class B ,