Lexus RC300h 2017, Manual

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4-5. Using the driving support systems
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RC300h_EE(OM24740E)
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The pre-crash safety system is operational when
The pre-crash safety system is enabled and the following conditions are met:
●
Pre-crash warning:
• Vehicle speed is greater than about 15 km/h (10 mph).
• The speed at which your vehicle is approaching the obstacle or the vehicle running
ahead of you is greater than about 15 km/h (10 mph).
●
Pre-crash brake assist:
• The VSC system is not disabled.
• Vehicle speed is greater than about 30 km/h (19 mph).
• The speed at which your vehicle is approaching the obstacle or the vehicle running
ahead of you is greater than about 30 km/h (19 mph).
• The brake pedal is depressed.
●
Pre-crash braking:
• The VSC system is not disabled.
• Vehicle speed is greater than about 15 km/h (10 mph).
• The speed at which your vehicle is approaching the obstacle or the vehicle running
ahead of you is greater than about 15 km/h (10 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 vehicle running
ahead of you is greater than about 30 km/h (19 mph).
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Conditions that may trigger the system even if there is no danger of a collision
In any of the following situations where the frontal area of the radar sensor is interrupted,
the radar sensor may detect possibility of a frontal collision and the system may be acti-
vated.
●
When passing by an oncoming vehicle in a curve or a turn to the right or the left
●
When rapidly approaching an obstacle ahead (e.g. preceding vehicle, toll gate barrier,
etc.)
●
When there is a structural object (billboard, low ceiling, fluorescent light, etc.) above
the uphill road ahead
●
When driving on a narrow road or through under a low overhead structure (bridge,
tunnel, fly-under, etc.)
●
When driving on an uneven road surface
●
When there is a metal object, bump, or protrusion on the road surface
●
When vehicle’s front part is raised or lowered depending on loading conditions
●
When the direction of radar sensor is misaligned by strong impact applied on an area
around the radar sensor, etc.
●
When there is an obstacle (guard rail, etc.) by the roadside at the entrance to a curve
●
When the front of your vehicle is pointing upwards (caused by putting a heavy load in
the trunk etc.)
When the system is activated in the situations described above, there is also a possibility
that the brakes may be applied with a force greater than normal.