Lexus LC500 2017 Owner's Manual page 192

192
4-5. Using the driving support systems
Vehicle sway warning function
■
When the vehicle is swaying or
appears as if it may depart from its lane
multiple times, the warning buzzer
sounds and a message is displayed on
the multi-information display to alert
the driver.
LC500_LC500h_OM_OM11405U_(U)
Lane centering function
■
This function is linked with radar cruise
control and provides the required
assistance by operating the steering
wheel to keep the vehicle in its current
lane.
When radar cruise control is not operating,
the Lane centering function does not oper-
ate.
If the system detects that the steering
wheel has not been operated for a fixed
amount of time or the steering wheel is not
being firmly gripped, a warning is displayed
on the multi-information display and the
warning buzzer sounds.