2009 Toyota Sequoia Owners Manual - Page 240

2-4. Using other driving systems Rear corner sensors Zone Distance shown as B in in. (mm) Approximately 33.5-20.5 (850-520) Approximately 20.5-15.7 (520-400) Approximately 15.7 (400) or less Indicator and buzzer Far Intermittent Mid Fast intermittent Near Continuous Front corner sensors Zone Distance shown as C in in. (mm) Approximately 23.6-15.7 (600-400) Approximately 15.7-9.8 (400-250) Approximately 9.8 (250) or less Indicator and buzzer Far Intermittent Mid Fast intermittent Near Continuous n When two or more obstacles are detected simultaneously The buzzer system responds to the nearest zone. 206