Lexus 2013 GS 350 Owner's Manual page 257

The pre-collision system is operational when
■
The pre-collision system off button is not pressed and the following conditions are
met:
Pre-collision warning:
●
• Vehicle speed is greater than about 10 mph (15 km/h).
• The speed at which your vehicle is approaching the obstacle or oncoming vehi-
cle is greater than about 10 mph (15 km/h).
Pre-collision seat belts (operating conditions A):
●
• Vehicle speed is greater than about 19 mph (30 km/h).
• The system detects sudden braking or skidding.
• The front occupants are wearing a seat belt.
Pre-collision seat belts (operating conditions B):
●
• Vehicle speed is greater than about 4 mph (5 km/h).
• The speed at which your vehicle is approaching the obstacle or oncoming vehi-
cle is greater than about 19 mph (30 km/h).
• The front occupants are wearing a seat belt.
Pre-collision brake assist:
●
• Vehicle speed is greater than about 19 mph (30 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehicle run-
ning ahead of you is greater than about 19 mph (30 km/h).
• The brake pedal is depressed.
Pre-collision braking:
●
• Vehicle speed is greater than about 10 mph (15 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehicle run-
ning ahead of you is greater than about 10 mph (15 km/h).
Suspension control:
●
• Vehicle speed is greater than about 4 mph (5 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehicle run-
ning ahead of you is greater than about 19 mph (30 km/h).
Steering control:
●
• Vehicle speed is greater than about 19 mph (30 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehicle run-
ning ahead of you is greater than about 19 mph (30 km/h).
Pre-collision alert braking:
●
• The system determines that the driver is not facing forward, or that the driver' s
eyes are closed.
• Vehicle speed is greater than about 25 mph (40 km/h).
• The speed at which your vehicle is approaching the vehicle running ahead of
you is greater than about 25 mph (40 km/h).
• The steering is not being turned.
GS350_U (OM30C34U)
4-5. Using the driving support systems
I n f o r ma t i o n P r o v i d e d b y :
4