2010 Lexus HS 250h Owners Manual - Page 237
2010 Lexus HS 250h Manual
Page 237 highlights
2-4. Using other driving systems l Pre-collision braking: • The pre-collision braking off button is not pressed. • Vehicle speed is greater than about 9 mph (15 km/h). • The speed at which your vehicle is approaching the obstacle or the vehicle running ahead of you is greater than about 9 mph (15 km/h). l Pre-collision alert braking (vehicle with driver monitor system The pre-collision braking off button is not pressed. The system determines that the driver is not facing forward. Vehicle speed is greater than about 9 mph (15 km/h). The speed at which your vehicle is approaching the obstacle or the vehicle running ahead of you is greater than about 24 mph (40 km/h). 2 When driving n Conditions that may trigger the system even if there is no danger of a collision l When there is an object by the roadside at the entrance to a curve l When passing an oncoming vehicle on a curve l When driving over a narrow iron bridge l When there is a metal object on the road surface l When driving on an uneven road surface l When passing an oncoming vehicle on a left-turn l When your vehicle rapidly closes on the vehicle in front When the system is activated in the situations described above, there is also a possibility that the seat belts will roll up quickly and the brakes will be applied with a force greater than normal. When the seat belt is locked in the retracted position, stop the vehicle in a safe place, release the seat belt and refasten it. n Obstacles not detected The sensor cannot detect plastic obstacles such as traffic cones. There may also be occasions when the sensor cannot detect pedestrians, animals, bicycles, motorcycles, trees, or snowdrifts. n When there is a malfunction in the system Warning lights and/or warning messages will turn on or flash. (→P. 493, 502, 505) 235