2011 Lexus LS 600h Owners Manual - Page 312

2-4. Using other driving systems l Pre-collision brake assist: l l l l • Vehicle speed is above 19 mph (30 km/h). • The relative speed difference between your vehicle and another vehicle that is forward of your vehicle, or the speed at which your vehicle is approaching an obstacle is greater than 19 mph (30 km/h). • The brake pedal is depressed. Pre-collision braking: • The pre-collision braking off switch is not pressed. • Vehicle speed is above 10 mph (15 km/h). • The relative speed difference between your vehicle and another vehicle that is forward of your vehicle, or the speed your vehicle is approaching an obstacle is greater than 13 mph (20 km/h). Suspension control: • Vehicle speed is above 4 mph (5 km/h). • The relative speed difference between your vehicle and another vehicle that is forward of your vehicle, or the speed at which your vehicle is approaching an obstacle is greater than 19 mph (30 km/h). Steering gear control (VGRS) (with driver monitor system): • Vehicle speed is above 19 mph (30 km/h). • The relative speed difference between your vehicle and another vehicle that is forward of your vehicle, or the speed at which your vehicle is approaching an obstacle is greater than 19 mph (30 km/h). Pre-collision alert braking (with driver monitor system): • The pre-collision braking off switch is not pressed. • The system determines that the driver is not facing forward. • Vehicle speed is above 10 mph (15 km/h). • The relative speed difference between your vehicle and another vehicle that is forward of your vehicle, or the speed at which your vehicle is approaching an obstacle is greater than 13 mph (20 km/h). • The steering is not being turned. 312