Steering Assist Function; Vehicle Sway Warning Function - Lexus LS500 Owner's Manual

overtaking vehicle in the adjacent lane
is high, the lane departure alert will
operate even if the turn signals are
operating.

Steering assist function

■
When the system determines that the
vehicle might depart from its lane or
*
course , the system provides assis-
tance as necessary by operating the
steering wheel in small amounts for a
short period of time to keep the vehicle
in its lane.
*
: Boundary between asphalt and the side
of the road, such as grass, soil, or a curb
If the system detects that the steering
wheel has not been operated for a cer-
tain amount of time or the steering
wheel is not being firmly gripped, the
steering assist function may be can-
celed temporarily, a warning message
may be displayed on the multi-informa-
tion display and a warning buzzer may
LS500h_OM_OM50F42U_(U)
4-5. Using the driving support systems
sound. If the steering assist function is
canceled, release the steering wheel
and then grip it again to enable the
function.
When the system determines that the
vehicle might depart from its lane and
that the possibility of a collision with an
overtaking vehicle in the adjacent lane
is high, the steering assist function will
operate even if the turn signals are
operating.

Vehicle sway warning function

■
When the vehicle is swaying within a
lane, the warning buzzer will sound and
a message will be displayed on the
multi-information display to alert the
driver.
231
4