2011 Toyota Matrix Owners Manual - Page 424

5-2. Steps to take in an emergency Warning light Warning light/Details Maintenance required reminder light*3 Indicates that maintenance is required according to the driven distance on the maintenance shedule. Illuminates for about 3 seconds and then flashes for about 15 seconds approximately 4500 miles (7200 km) after the maintenance data has been reset. Comes on and remains on if the distance driven exceeds 5000 miles (8000 km) after the maintenance data has been reset. (The indicator will not work properly unless the maintenance data has been reset.) Correction procedure If necessary, perform maintenance. (U.S.A.) Perform the necessary maintenance. Please reset the maintenance data after the maintenance is performed. See page "Reset the maintenance data" 5 Tire pressure warning light (if equipped) When the light comes on: Low tire inflation pressure. When the light comes on after blinking for 1 minute: Malfunction in the tire pressure warning system. *1:Open door warning buzzer: A buzzer will sound if the vehicle reaches a speed of 3 mph (5 km/h) with any door open. *2:Driver's and front passenger's seat belt warning buzzers: The driver's and front passenger's seat belts warning buzzers sound to alert the driver and front passenger that his or her seat belt is not fastened. The 405 When trouble arises Adjust the tire inflation pressure. Have the system checked by your Toyota dealer.