2007 Lexus IS 250 Owners Manual - Page 157

2-4. Using other driving systems n Back sensor operation display and distance to an obstacle The system operates when the vehicle approaches within approximately 4.9 ft. (150 cm) of an obstacle. Approximately 2.0 ft. (60 cm) to 4.9 ft. (150 cm) from the obstacle Approximately 1.5 ft. (45 cm) to 2.0 ft. (60 cm) from the obstacle Approximately 1.1 ft. (35 cm) to 1.5 ft. (45 cm) from the obstacle Flashing: Within 1.1 ft. (35 cm) of the obstacle n Buzzer operation and distance to the obstacle A buzzer sounds when the corner sensors and back sensor are operating. l The buzzer beeps faster as the vehicle approaches an obstacle. When the vehicle comes within the following distance of the obstacle, the buzzer sounds continuously. • Corner sensors: Approximately 0.8 ft. (25 cm) • Back sensors: Approximately 1.1 ft. (35 cm) l When two or more obstacles are detected simultaneously, the buzzer system responds to the nearest obstacle. 144