2003 Toyota Prius Owners Manual - Page 102

(b) Driver's Seat Belt Reminder Light and Buzzer This light and buzzer remind buckle up the driver's seat belt. you to (d) Discharge Warning Light This light warns that the auxiliary battery is being discharged. If it comes on while you are driving, there is a problem somewhere in the charging system. The hybrid system will continue to operate, however, until the auxiliary battery is discharged. Turn off the air conditioning, blower, radio, etc., and drive directly to the nearest Toyota dealer or repair shop. (e) Malfunction Indicator Lamp This lamp comes on when the ignition key is turned to the "ON" position and goes off after the engine starts. This means that the warning light system is operating properly. If the lamp remains on or the lamp comes on while driving, first check the following: Once the ignition key is turned to "ON" or "START", the reminder light flashes and the buzzer sounds if the driver's seat belt is not fastened. Unless the driver fastens the belt, the light keeps on flashing and the buzzer sounds 4 to 8 seconds. (c) Front Passenger's Seat Belt Reminder Light This light reminds you to buckle up the front passenger's seat belt. Once the ignition key is turned to "ON" or "START", the reminder light flashes if a passenger sits in the front passenger seat and does not fasten the seat belt. Unless the front passenger fastens the belt, the light stays flashing. If luggage load is placed on the front passenger seat, depending on its weight and how it is placed on the seat, built-in sensors in the seat cushion may detect the pressure, causing the reminder light to come on. D Empty fuel tank If the fuel tank is empty, refuel immediately. This case is a temporary malfunction. The malfunction indicator lamp will go off after taking several driving trips. If the lamp will not go off even after several trips, contact your Toyota dealer as soon as possible. D There is a problem somewhere in the hybrid system or warning light system itself. Contact your Toyota dealer as soon as possible to service the vehicle. 95