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 When passing, you should: Answers Decelerate. Flash your lights. Sound your horn. Keep as much space as possible between your vehicle and other vehicles. Explanation When passing, you should keep as much space as possible between your vehicle and other vehicles. Be aware that your vehicle produces a buffer of wind that can be dangerous to smaller vehicles nearby. Take a FREE Practice Test Now