2011 Lexus IS 350 Owners Manual - Page 174

2-4. Using other driving systems n Rear corner sensors Multi-information display Approximate distance to obstacle 1.6 to 1.2 ft. (50 to 37.5 cm) 1.2 to 0.8 ft. (37.5 to 25 cm) Buzzer Medium Fast 2 When driving 0.8 ft. (25 cm) or less Continuous n Back sensors Multi-information display Approximate distance to obstacle 4.9 to 2.0 ft. (150 to 60 cm) 2.0 to 1.5 ft. (60 to 45 cm) 1.5 to 1.1 ft. (45 to 35 cm) Buzzer Slow Medium Fast 1.1 ft. (35 cm) or less Continuous 181