Audi A3 Warning Lights: A Complete Reference for Drivers The Audi A3 warning lights are a key feature of the dashboard, designed to alert drivers to potential issues with their vehicle. These indicators help prevent serious problems by providing early warnings, allowing drivers to take corrective action. Understanding what each warning light means and how to respond ensures that your Audi A3 remains safe, reliable, and efficient. What Are Dashboard Warning Lights? Dashboard warning lights are visual indicators that communicate the status of critical vehicle systems. They are color-coded to indicate urgency: Red Lights: Critical problems requiring immediate action, such as engine overheating or brake failure. Amber/Yellow Lights: Cautionary alerts; the car may operate temporarily, but the system should be checked soon. Green/Blue Lights: Informational indicators that show active systems, like headlights or cruise control, and are not warnings. https://www.sinspeed.co.uk/audi-a3-s3-dashboard-instrument-cluster-repairs/