2007 Toyota Prius Warning Lights. If the front passenger's seat is occupied, the front passenger's seat belt also needs to be fastened to make the warning light (warning buzzer) turn off. Visit the Toyota dashboard lights and symbols guide.
The Toyota Prius's maint reqd light indicates a service interval has been met.
Now, just like the malfunctioning occurs in other cars, hybrid cars too are Warning light system comes embedded with every car to let the driver known about the possible issue.
The Engine Control Module (ECM) monitors the position of the water valve based on the valve position signal that is output by the water valve position sensor (potentiometer), which is coupled coaxially to. Recently the red triangle warning light has come on while trying to start the engine. The combination meter was failing so yesterday it was repaired.