2011 Lexus IS F Owners Manual - Page 181

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. (25cm) or less Continuous n Rear center sensors Multi-information display Approximate distance to obstacle 4.9 to 2.0 ft. (150 to 60cm) 2.0 to 1.5 ft. (60 to 45cm) 1.5 to 1.1 ft. (45 to 35cm) Buzzer Slow Medium Fast 1.1 ft. (35cm) or less Continuous 183