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 In cold weather, an alcohol evaporator should be checked and filled: Answers Once a week. Every day. Every hour. Explanation An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day. Take a FREE Practice Test Now This questions appears in the following tests: California Knowledge Test Class A ,