Lexus LS460 2011 Owner's Manual page 376

2-4. Using other driving systems

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

On slippery roads such as those covered with ice or snow

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 only part of your vehicle's front end collides with, or contacts, a
vehicle or object in a frontal collision

When there is a malfunction in the system
Warning light will flash and/or warning messages will turn on. (P. 687,
696)
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