Lta (Lane Tracing Assist) - Lexus LS 500 2019 Owner's Manual

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If the PCS warning light illuminates and

a message is displayed on the

multi-information display

The system may be temporarily unavailable

or may be malfunctioning.

LS500_OM_(U)_1810

4-5. Using the driving support systems

LTA (Lane Tracing Assist)

When driving on highways and

freeways with white (yellow) lane

lines, this function alerts the driver

when the vehicle might depart from

its lane or course

assistance by operating the steer-

ing wheel to keep the vehicle in its

lane or course

. Furthermore, the

system provides steering assistance

when dynamic radar cruise control

with full-speed range is operating

to keep the vehicle in its lane and

when changing lanes (vehicles with

Lexus Safety System + A).

The LTA system recognizes white

(yellow) lane lines or a course

using the front camera. Addition-

ally, it detects preceding and sur-

rounding vehicles (vehicles with

Lexus Safety System + A) using the

front camera and radar.

: Boundary between asphalt and the

side of the road, such as grass, soil, or

and provides

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