Lexus RX 450h Owner's Manual page 309

of the steering assist function is operat-
ing.
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 LTA 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.
"LTA Malfunction Visit Your Dealer"
●
The system may not be operating properly.
Have the vehicle inspected by your Lexus
dealer.
"LTA Unavailable"
●
The system is temporarily canceled due to
a malfunction in a sensor other than the
front camera. Turn the LTA system off, wait
for a little while, and then turn the LTA sys-
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4-5. Using the driving support systems
.
tem back on.
"LTA Unavailable at Current Speed"
●
The function cannot be used as the vehicle
speed exceeds the LTA operation range.
Drive slower.
Customization
■
Function settings can be changed.
(Customizable features:P.574)
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