Lexus RX450H Manual page 328


Situations in which the pre-crash safety system does not function properly
The system may not function effectively in situations such as the following:

On roads with sharp bends or uneven surfaces

If a vehicle suddenly moves in front of your vehicle, such as at an inter-
section

If a vehicle suddenly cuts in front of your vehicle, such as when overtak-
ing

In inclement weather such as heavy rain, fog, snow or sand storms

When your vehicle is skidding with the VSC system off

When an extreme change in vehicle height occurs

When the axis of the radar is out of adjustment

Automatic cancelation of the pre-crash safety system
When a malfunction occurs due to sensor contamination, etc. that results in
the sensors being unable to detect obstacles, the pre-crash safety system will
be automatically disabled. In this case, the system will not activate even if
there is a collision possibility.

When there is a malfunction in the system, or if the system is temporarily
unusable
Warning lights and/or warning messages will turn on or flash. (P. 561,
569)
RX450h_EE
2-4. Using other driving systems
2
305