Lexus IS250 U Owner's Manual page 247

Disabling pre-collision system
Enabled
1
Disabled
2
The pre-collision system warning light
comes on when pre-collision system is
disabled.
Radar sensor
The radar sensor detects vehicles or
other obstacles on or near the road
ahead and determines whether a colli-
sion is imminent based on the position,
speed, and heading of the obstacles.
IS350/250_U (OM53C50U)
4-5. Using the driving support systems
247
4