User Manual - Page 401

For 2020 Prius Prime .

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PRIUS PRIME_OM_OM47C77U_(U)
399
5-5. Using the driving support systems
5
Driving
Lane departure alert function
The warning buzzer may be difficult to hear due to external noise, audio play-
back, etc.
Hands off steering wheel warning
If the driver continues to keep their hands off of the steering wheel, a buzzer
sounds and a warning message and the symbol shown in the illustration are
displayed on the multi-information display. This warning also operates in the
same way when the driver continuously operates the steering wheel only a
small amount. Always keep your hands on the steering wheel when using this
system, regardless of warnings.
Depending on the vehicle and road conditions, the warning may not operate.
Vehicle sway warning function
White (yellow) lines are only on one side of road
The LDA system will not operate for the side on which white (yellow) lines
could not be recognized.
When the system determines that the
driver has removed their hands from the
steering wheel while the steering control
function is operating, a warning message
urging the driver to hold the steering
wheel and the symbol shown in the illus-
tration are displayed on the multi-informa-
tion display.
When the system determines that the
vehicle is swaying while the vehicle sway
warning function is operating, a buzzer
sounds and a warning message urging
the driver to rest and the symbol shown in
the illustration are simultaneously dis-
played on the multi-information display.
Depending on the vehicle and road condi-
tions, the warning may not operate.
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