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234
4-5. Using the driving support systems
LEXUS NX300h Owners Manual_USA_M78578_en
the driver is warned and the function is tem-
porarily canceled. This warning also oper-
ates in the same way when the driver
continuously operates the steering wheel
only a small amount.
The buzzer also sounds even if the alert
type is set to .
● When the system determines that the
vehicle may not turn and instead depart
from its lane while driving around a curve
Depending on the vehicle condition and
road conditions, the warning may not oper-
ate. Also, if the system determines that the
vehicle is driving around a curve, warnings
will occur earlier than during straight-lane
driving.
● When the system determines that the
driver is driving without holding the steer-
ing wheel while the steering wheel assist
of the steering assist function is operating
If the driver continues to keep their hands
off of the steering wheel and the steering
wheel assist is operating, the buzzer sounds
and the driver is warned. Each time the
buzzer sounds, the continuing time of the
buzzer becomes longer.
The buzzer also sounds even if the alert
type is set to .
■ Vehicle sway warning function
When the system determines that the vehi-
cle is swaying while the vehicle sway warn-
ing function is operating, a buzzer sounds
and a warning message urging the driver to
rest and the symbol shown in the illustration
are simultaneously displayed on the multi-
information display.
Depending on the vehicle and road condi-
tions, the warning may not operate.
■ Warning message
If the following warning message is dis-
played on the multi-information display and
the LDA indicator illuminates in orange, fol-
low the appropriate troubleshooting proce-
dure. Also, if a different warning message is
displayed, follow the instructions displayed
on the screen.
● “Lane Departure Alert Malfunction Visit
Your Dealer”
The system may not be operating properly.
Have the vehicle inspected by your Lexus
dealer.
● “Lane Departure Alert Unavailable”
The system is temporarily canceled due to a
malfunction in a sensor other than the front
camera. Turn the LDA system off, wait for a
little while, and then turn the LDA system
back on.
● “Lane Departure Alert Unavailable at
Current Speed”
The function cannot be used as the vehicle
speed exceeds the LDA operation range.
Drive slower.
● “Lane Departure Alert Unavailable
Below Approx 50km/h”
The LDA system cannot be used as the
vehicle speed is less than approximately 32
mph (50 km/h). Drive the vehicle at
approximately 32 mph (50 km/h) or more.
■ Customization
Function settings can be changed. (Cus-
tomizable features: P.443)
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