Lexus rx350 2016 Owner's Manual page 290

290
4-5. Using the driving support systems
Temporary cancellation of functions
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When operation conditions are no longer met, a function may be temporarily canceled.
However, when the operation conditions are met again, operation of the function is auto-
matically restored. (P. 289)
Steering assist function/lane centering function
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Depending on the vehicle speed, lane departure situation, road conditions, etc., the
operation of the functions may not be recognized or the functions may not operate.
Lane departure alert function
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The warning buzzer may be difficult to hear due to external noise, audio playback, etc.
Also, it may be difficult to feel steering wheel vibrations due to the road conditions, etc.
Hands off steering wheel alert
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When the system determines that the driver has removed their hands from the steering
wheel while the steering assist function or lane centering function is operating, a warning
message is displayed on the multi-information display and the buzzer sounds.
White (yellow) lines are only on one side of road
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The LKA system will not operate for the side on which white (yellow) lines could not be
recognized.
RX350_U_OM48E90U