2009 Toyota FJ Cruiser Owners Manual - Page 174

2-4. Using other driving systems n Intuitive parking assist switch ON/OFF When on, the buzzer sounds to inform the driver that the system is operational. At this time, the indicator will come on. Press the button to switch the ON/OFF mode. The distance and buzzer When a sensor detects an obstacle, the buzzer sounds. Distance shown as Buzzer 152 4.9 to 3.3 ft. (150 to 100 cm) Medium 3.3 to 1.6 ft. (100 to 50 cm) Fast 1.6 ft. (50 cm) Continuous