What color is the low air pressure warning light? Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question What color is the low air pressure warning light? Answers Green Orange Red Purple Explanation A low air pressure warning signal is required in vehicles with air brakes. The warning light is usually red and may be accompanied by a buzzer. This questions appears in the following tests: Florida Air Brakes Illinois Class A Knowledge Test Indiana Air Brakes Kansas Class A Knowledge Test Kansas Class B Knowledge Test Massachusetts Double Massachusetts Air Brakes Massachusetts Air Brakes New Jersey Class A Knowledge Test New York Air Brakes North Carolina Class A Knowledge Test Oregon Air Brakes Pennsylvania Class A Knowledge Test Pennsylvania Air Brakes Pennsylvania Air Brakes South Carolina Class A Knowledge Test Texas Class B Knowledge Test Texas Double