302
4-5. Using the driving support systems
■ Operating conditions of the function
This function is operable when all of the fol-
lowing conditions are met:
● The system detects lane lines and the
path of preceding or surrounding vehi-
cles.
● The dynamic radar cruise control and the
lane tracing assist are operating.
● The turn signal lever is not being oper-
ated.
● The vehicle is not being driven around a
sharp curve.
● The vehicle is being driven in the center
of a lane.
● The driver monitor camera is detecting
that the driver is facing front of the vehi-
cle.
● The vehicle is driving in traffic jam on a
highway or expressway at approximately
25 mph (40 km/h) or less. (In some situ-
ations, such as when a traffic jam starts,
this function may be operational at
approximately 20 mph (30 km/h) or
less.)
● It is necessary to enter a connected ser-
vices contract, provided by Lexus, to use
these functions. For details, contact your
Lexus dealer.
● The driver’s door is closed.
● The driver’s seat belt is fastened.
● Customized setting of the Traffic Jam
Assist is not set to off.
● Functions and components composing
the system are in proper condition.
● Customized setting of the PCS (Pre-
Collision System) is not set to off.
● Customized setting of the dynamic radar
cruise control (re-start time extension) is
not set to off.
■ Temporary cancelation of the function
● When the operating conditions are no
longer met, a function may be temporar-
ily canceled. However, when the opera-
tion conditions are met again, operation
of the function will automatically be
restored.
● If the operating conditions of a function
are no longer met while the function is
operating, a buzzer may sound with a dis-
play to indicate that the function has been
temporarily canceled. If no driver’s
responses to the indication are detected,
the driver emergency stop assist function
may operate. For types of display and
action to be taken, see the page men-
tioned below. (P.303)
■ Driving operations during controlled
driving:
● Accelerator pedal
As with normal driving, acceleration can be
performed by depressing the accelerator
pedal. When the accelerator pedal is
depressed at approximately 6 mph (10
km/h) or more, this function will be can-
celed.
● Brake pedal
As with normal driving, deceleration can be
performed by depressing the brake pedal.
However, controlled driving will be can-
celled.
● Steering wheel
As with normal driving, the steering wheel
● When there is a significant difference
in speed between your vehicle and the
other vehicle
● The map data has not been updated
properly.
■ To prevent malfunction of the radar
sensors
P.241
■ To prevent malfunction of the front
camera
P.242
■ Front camera installation area on the
windshield
P.243
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