2008 Lexus GS 450h Owners Manual - Page 186

2-4. Using other driving systems l If multiple obstacles are detected in front and behind the vehicle at the same time, the warning beep will change in the following manner: • If an obstacle has been detected within 0.8 ft. (25 cm) of the front or rear of the vehicle (a continuous beep is sounding), and a new obstacle is detected near a different area of the vehicle, the warning beep will sound 6 beeps then one continuous beep. • If an obstacle has been detected within 0.8 ft. (25 cm) of the front or rear of the vehicle (a continuous beep is sounding), and a new obstacle is detected within 0.8 ft. (25 cm) of a different area of the vehicle, the warning beeps will sound 2 beeps then one continuous beep. l You can change the volume of the warning beeps. (→P. 189) Obstacle detection range About 10.0 ft. (300 cm) About 3.0 ft. (100 cm) About 5.0 ft. (150 cm) About 1.5 ft. (50 cm) The detection area of the sensors is shown to the left. If obstacles move too close to the sensors, they will not be detected. If the malfunction screen is displayed, the dual sensor detection range will be shortened from 3.0 ft. (100 cm) to 1.5 ft. (50 cm). 188 GS_HV_U March 29, 2010 3:31 pm