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 When the spring brakes are on, you should never: Answers Turn on the lights. Turn off the vehicle. Push down the brake pedal. Explanation Never push down the brake pedal while the spring brakes are activated. The combined force of springs and air pressure could damage the brakes. Take a FREE Practice Test Now This questions appears in the following tests: California Knowledge Test Class B , Maine Knowledge Test Class B , Hawaii Air Brakes , Montana Air Brakes , South Dakota Air Brakes ,