Toyota RAV4 PRIME 2021 Manual page 331

■ Temporary cancelation of func-
tions
● When operation conditions are no
longer met, a function may be
temporarily canceled. However,
when the operation conditions are
met again, operation of the func-
tion is automatically restored.
(P.329)
● If the operation conditions
(P.329) are no longer met while
the lane centering function is
operating, the steering wheel may
vibrate and the buzzer may sound
to indicate that the function has
been temporarily canceled. How-
ever, if the "Alert" customization
setting is set to "Steering wheel
vibration", the system will notify
the driver by vibrating the steering
wheel instead of sounding the
buzzer.
■ Steering assist function/lane
centering function
● Depending on the vehicle speed,
lane departure situation, road con-
ditions, etc., the driver may not
feel the function is operating or
the function may not operate at
all.
● The steering control of the func-
tion is overridden by the driver's
steering wheel operation.
● Do not attempt to test the opera-
tion of the steering assist function.
■ Lane departure alert function
● The warning buzzer may be diffi-
cult to hear due to external noise,
audio playback, etc. Also, it may
be difficult to feel steering wheel
vibrations due to the road condi-
tions, etc.
● If the edge of the course
clear or straight, the lane depar-
ture alert function may not oper-
ate.
● It may not be possible for the sys-
tem to determine if there is a dan-
ger of a collision with a vehicle in
5-5. Using the driving support systems
an adjacent lane.
● Do not attempt to test the opera-
tion of the lane departure alert
function.
*
: Boundary between asphalt and
the side of the road, such as
grass, soil, or a curb
■ Hands off steering wheel warn-
ing
In the following situations, a warning
message urging the driver to hold
the steering wheel and the symbol
shown in the illustration are dis-
played on the multi-information dis-
play to warn the driver. The warning
stops when the system determines
that the driver holds the steering
wheel. Always keep your hands on
the steering wheel when using this
system, regardless of warnings.
● When the system determines that
the driver is driving without hold-
ing the steering wheel while the
system is operating
If the driver continues to keep their
hands off of the steering wheel, the
buzzer sounds, the driver is warned
and the function is temporarily can-
celed. This warning also operates in
the same way when the driver con-
tinuously operates the steering
wheel only a small amount.
*
The buzzer also sounds even if the
is not
alert type is set to "Steering wheel
vibration".
● When the system determines that
the vehicle may not turn and
instead depart from its lane while
driving around a curve
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