Lexus IS300H 2017 Manual page 284

284
4-5. Using the driving support systems
Operation conditions of each function
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Lane departure alert function
●
This function operates when all of the following conditions are met.
• LDA is turned on.
• Vehicle speed is approximately 50 km/h (32 mph) or more.
• System recognizes white (yellow) lines.
• Width of traffic lane is approximately 3 m (9.8 ft.) 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 150 m (492 ft.).
• No system malfunctions are detected. (P. 575)
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. 119)
• 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, TRC and PCS are not operating.
• TRC or VSC is not turned off.
• Except for Israel: Hands off steering wheel alert is not displayed. (P. 285)
Vehicle sway warning
●
This function operates when all of the following conditions are met.
• Setting for Sway Warning in
(P. 119)
• Vehicle speed is approximately 50 km/h (32 mph) or more.
• Width of traffic lane is approximately 3 m (9.8 ft.) or more.
• No system malfunctions are detected. (P. 575)
of the multi-information display is set to On.
of the multi-information display is set to On.