2011 Lexus CT 200h Owners Manual - Page 225

2-4. Using other driving systems n Automatic cancelation of constant speed control The cruise control will stop maintaining the vehicle speed in the following situations: l Actual vehicle speed is more than approximately 10 mph (16 km/h) below the set vehicle speed. At this time, the memorized set speed is not retained. l Vehicle speed falls below approximately 25 mph (40 km/h). l Enhanced VSC is activated. n Vehicle-to-vehicle distance settings Select a distance from the table below. Note that the distances shown correspond to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle distance increases/ decreases in accordance with vehicle speed. Distance options Long Medium Short n Radar sensor and grille cover Vehicle-to-vehicle distance Approximately 160 ft. (50 m) Approximately 130 ft. (40 m) Approximately 100 ft. (30 m) Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle distance control operates properly. (Some obstructions, such as snow, ice and plastic objects, cannot be detected by the obstruction sensor.) Dynamic radar cruise control is canceled if an obstruction is detected. Grille cover Radar sensor 228 CT200h_U (OM76004U)