Lexus GS350 Owner's Manual page 258

256
4-5. Using the driving support systems
GS F: When the system determines that the driver has removed the hands from the
steering wheel while the steering assist function or lane centering 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.
White (yellow) lines are only on one side of road
■
The LKA system will not operate for the side on which white (yellow) lines could not be
recognized.
Conditions in which functions may not operate properly
■
In the following situations, the camera sensor may not detect white (yellow) lines and var-
ious functions may not operate normally.
There are shadows on the road that run parallel with, or cover, the white (yellow) lines.
●
The vehicle is driven in an area without white (yellow) lines, such as in front of a tollgate
●
or checkpoint, or at an intersection, etc.
The white (yellow) lines are cracked, "Botts' dots", "Raised pavement marker" or stones
●
are present.
The white (yellow) lines cannot be seen or are difficult to see due to sand, etc.
●
The vehicle is driven on a road surface that is wet due to rain, puddles, etc.
●
The traffic lines are yellow (which may be more difficult to recognize than lines that are
●
white).
The white (yellow) lines cross over a curb, etc.
●
The vehicle is driven on a bright surface, such as concrete.
●
The vehicle is driven on a surface that is bright due to reflected light, etc.
●
The vehicle is driven in an area where the brightness changes suddenly, such as at the
●
entrances and exits of tunnels, etc.
Light from the headlights of an oncoming vehicle, the sun, etc. enters the camera.
●
The vehicle is driven where the road diverges, merges, etc.
●
The vehicle is driven on a slope.
●
The vehicle is driven on a road which tilts left or right, or a winding road.
●
The vehicle is driven on an unpaved or rough road.
●
The vehicle is driven around a sharp curve.
●
The traffic lane is excessively narrow or wide.
●
The vehicle is extremely tilted due to carrying heavy luggage or having improper tire
●
pressure.
The distance to the preceding vehicle is extremely short.
●
The vehicle is moving up and down a large amount due to road conditions during driv-
●
ing (poor roads or road seams).
The headlight lenses are dirty and emit a faint amount of light at night, or the beam axis
●
has deviated.
The vehicle is struck by a crosswind.
●
The vehicle has just changed lanes or crossed an intersection.
●
Snow tires, etc. are equipped.
●
GS350_300_GS F_OM_OM30G34U_(U)