Lexus RC350 Owner's Manual page 266

266
4-5. Using the driving support systems
Operation conditions of each function
■
Lane departure alert function
●
This function operates when all of the following conditions are met.
• LDA is turned on.
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• System recognizes white (yellow) lines.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius of more
than approximately 492 ft. (150 m).
• No system malfunctions are detected. (P. 453)
Steering control function
●
This function operates when all of the following conditions are met in addition to the
operation conditions for the lane departure alert function.
• Setting for Steering Assist in
(P. 111)
• Vehicle is not accelerated or decelerated by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for changing
lanes.
• ABS, VSC, TRAC and PCS are not operating.
• TRAC or VSC is not turned off.
• Hands off steering wheel alert is not displayed. (P. 266)
Vehicle sway warning function
●
This function operates when all of the following conditions are met.
• Setting for Sway Warning in
(P. 111)
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• No system malfunctions are detected. (P. 453)
Temporary cancellation of functions
■
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. 266)
Steering control function
■
Depending on the vehicle speed, lane departure situation, road conditions, etc., the
driver may not feel the function is operating or the function may not operate at all.
Lane departure alert function
■
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
■
When the system determines that the driver has removed the hands from the steering
wheel while the steering control function is operating, a warning message is displayed on
the multi-information display.
If the driver continues to keep the hands off of the steering wheel, a warning message is
displayed and the function is temporarily canceled. This alert also operates in the same
way when the driver continuously operates the steering wheel only a small amount.
However, depending on the road conditions, etc., the function may not cancel.
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
of the multi-information display is set to On.
of the multi-information display is set to On.