Lexus Warning Lights | Clublexus Nov 17, 2014Lexus: Warning Lights. The Lexus is equipped with an advanced computer that can read the issues the car is going through and warn the driver lights on the dashboard. For the most part, a warning light that is displayed in red indicates a more serious problem or safety issue, and it is recommended to get it checked the same day. Indicators and warning lights - Lexus manuals - Lexus manuals Indicators and warning lights. Lexus RX / Lexus RX 450H User Manual / When driving / Instrument cluster / Indicators and warning lights. The indicator and warning lights on the instrument cluster and center panel inform the driver of the status of the vehicle s various systems. - Instrument cluster. - Center panel (without a navigation system).