2012 Toyota Prius Owners Manual - Page 812

5-2. Steps to take in an emergency Warning message Details Correction procedure (If equipped) • Check the grille • Indicates that the pre-collision and the sensor and system is not currently funcclean them if they tional because the grille or the are dirty. sensor is dirty. • In case of over• This message also appears heating, the system when the pre-collision system will become funcis not functional due to overtional once the sysheating. tem cools down. (Flashes) Indicates that the radar cruise control sensor is dirty or covered with ice. Clean the sensor. (If equipped) (Flashes) Indicates that the radar cruise control system is unable to judge vehicle-to-vehicle distance. If the windshield wipers are on, turn them off or set them to either the intermittent or the slow mode. (If equipped) 512