Lexus GS 350, Owner'S Manual, Page: 233 / 831

GS350_U (OM30C34U)
231
4-5. Using the driving support systems
4
Dr
ivi
ng
■
Lane departure warning function
●
When the vehicle speed is approximately 30 mph (48 km/h) or
more
●
When the lane width is more than approximately 9.1 ft. (2.8 m)
●
When driving on a straight road or through a curve with a radius of
more than approximately 394 ft. (120 m)
■
Lane keeping assist function
●
When the vehicle speed is between approximately 45 and 112 mph
(72 and 180 km/h)
●
When the vehicle-to-vehicle distance mode of the radar cruise
control is on, and the set vehicle speed is approximately 45 mph (72
km/h) or more (the function will not operate when the radar cruise
control is in set speed mode)
●
When the lane width is between approximately 9.1 and 13.1 ft.
(2.8 and 4.0 m)
●
When driving on a straight road or through a curve with a radius of
more than approximately 755 ft. (230 m)
Operating conditions for each function