Operation Conditions Of Each Function (Driving Support) - Lexus RX 450H Owner's Manual

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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.
• LKA 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. 537)
Steering assist 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. 108)
• 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.
Vehicle sway warning
●
This function operates when all of the following conditions are met.
• Setting for "Sway Warning" in
(→P. 108)
• 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. 537)
Lane centering function
●
This function operates when all of the following conditions are met.
• LKA is turned on.
• Setting for "Lane Center" in
(→P. 108)
• System recognizes white (yellow) lines.
• Dynamic radar cruise control with full-speed range is operating.
• Width of traffic lane is approximately 8.2 to 13.5 ft. (2.5 to 4.1 m).
• 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 656 ft. (200 m).
• No system malfunctions are detected. (→P. 537)
• Vehicle does not accelerate or decelerate 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.
• Steering assist function is not operating.
RX450h_U_OM0E023U
of the multi-information display is set to "On".
of the multi-information display is set to "On".
of the multi-information display are set to "On".