2009 Toyota Sienna Owners Manual - Page 234

2-4. Using other driving systems n Vehicle-to-vehicle distance settings Select a distance from the table below. Note that the distances shown correspond to a vehicle speed of 55 mph (88 km/h). Vehicle-to-vehicle distance increases/decreases in accordance with vehicle speed. Distance options Long Medium Short n Laser radar sensor Always keep the sensor clean to ensure that the vehicle-to-vehicle distance control operates properly. (Some obstructions, such as snow, ice or plastic objects, cannot be detected by the obstruction sensor.) Dynamic laser cruise control is canceled if an obstruction is detected. n Certification This product is a class I laser product complied with 21 C.F.R part 1040. 10 and 1040. 11. Vehicle-to-vehicle distance Approximately 245 ft. (75 m) Approximately 165 ft. (50 m) Approximately 100 ft. (30 m) 206