Lka (Lane-Keeping Assist); (Lane-Keeping Assist) - Lexus LS460 2011 Owner's Manual

2-4. Using other driving systems

LKA (Lane-Keeping Assist)

While driving on a freeway or motor highway that has lane markings,
this system recognizes the lanes using a camera as a sensor to assist
the driver with staying in the lane. The LKA system has two functions.

Lane departure warning function
When there is a possibility that the vehicle may deviate from
its lane, it alerts the driver using rapid beeping, indications on
the multi-information display, and sensory warning* via the
steering wheel.
*
: A slight steering torque is applied for a short period of time
in the direction of the center of the lane.
Operation conditions: The LKA system must be on and vehi-
cle speed is between approximately 50 km/h (30 mph) and
200 km/h (125 mph).
274
LS460_EE

Lane line display
Lane line display is shown
when the LKA system is on.
According to conditions, the
display changes as follows:
: Due to a lane marking
not being recognized
by the system and so
forth the LKA system
functions are tempo-
rarily cancelled. (P.
276)
A lane marking is
:

: If equipped