Lexus LS 600h L 2015 Owner's Manual page 300

298
4-5. Using the driving support systems
Disabling pre-collision braking
Pre-collision warning, pre-collision braking and pre-collision alert braking
(vehicles with driver monitor system) can be switched between enabled
and disabled by pressing the pre-collision braking off switch.
Enabled
1
Disabled
2
The pre-collision system warning light
comes on when the system is disabled.
Radar sensor
The radar sensor detects vehicles or
other obstacles on or near the road
ahead and determines whether a
collision is imminent based on the
position, speed, and heading of the
obstacles.
LS600hL_U(OM50E41U)