Lexus LS460 Owner's Manual page 371

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4-5. Using the driving support systems

Pre-crash braking:
 Vehicles without camera sensors
• The pre-crash braking off switch is not pressed.
• The VSC OFF switch is not pressed.
• Vehicle speed is greater than about 15 km/h (10 mph).
• The speed at which your vehicle is approaching the obstacle or the vehi-
cle running ahead of you is greater than about 15 km/h (10 mph).

Vehicles with camera sensors
• The pre-crash braking off switch is not pressed.
• The VSC OFF switch is not pressed.
• Vehicle speed is greater than about 5 km/h (4 mph).
• The speed at which your vehicle is approaching the obstacle or the vehi-
cle running ahead of you is greater than about 5 km/h (4 mph).

Suspension control:
• Vehicle speed is greater than about 5 km/h (4 mph).
• The speed at which your vehicle is approaching the obstacle or the vehi-
cle running ahead of you is greater than about 30 km/h (19 mph).

Steering gear control (VGRS) (vehicles with camera sensors):
• Vehicle speed is greater than about 30 km/h (19 mph).
• The speed at which your vehicle is approaching the obstacle or the vehi-
cle running ahead of you is greater than about 30 km/h (19 mph).

Pre-crash alert braking (vehicles with driver monitor system):
• The pre-crash braking off switch is not pressed.
• The VSC OFF switch is not pressed.
• The system determines that the driver is not facing forward, or that the
driver's eyes are closed.
• Vehicle speed is greater than about 40 km/h (25 mph).
• The speed at which your vehicle is approaching the vehicle running
ahead of you is greater than about 40 km/h (25 mph).
• The steering is not being turned.
LS460_EE (OM50D49E)