Lexus GS 350 Owner's Manual page 292

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 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. 294)
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. 117, 125)
• Vehicle is not accelerated or decelerated by a certain amount or more.
• Steering wheel is not operated with a steering force level suitable for changing
lanes.
• ABS, VSC, TRC and PCS (Pre-Crash Safety system) are not operating.
• TRC or VSC is not turned off.
Vehicle sway warning function
●
This function operates when all of the following conditions are met.
• Setting for "Sway Warning" in
(P. 117, 125)
• 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. 294)
Lane centering function
●
This function operates when all of the following conditions are met.
• LKA is turned on.
• Setting for "Steering Assist" and "Lane Center" in
display are set to "On". (P. 117, 125)
• System recognizes white (yellow) lines.
• Dynamic radar cruise control with full-speed range is operating.
• Width of traffic lane is approximately 2.5 to 4.1 m (8.2 to 13.5 ft.).
• 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 200 m (656 ft.).
• No system malfunctions are detected. (P. 294)
• Vehicle does not accelerate or decelerate by a certain amount or more.
• Steering wheel is not operated with a steering force level suitable for changing
lanes.
• ABS, VSC, TRC and PCS (Pre-Crash Safety system) are not operating.
• TRC or VSC is not turned off.
• Steering assist function is not operating.
GS350_300_GS F_OM_OM30J17E_(GE)
4-5. Using the driving support systems
of the multi-information display is set to "On".
of the multi-information display is set to "On".
of the multi-information
291
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