2015 Lexus GS350 display

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2214-5. Using the driving support systems
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Driving
Pressing the button changes the
vehicle-to-vehicle distance as fol-
lows:Long
Medium
Short
The vehicle-to-vehicle distance is set
automatically to lo ng mode when the
engine switch is turned to IGNITION
ON mode.
If a vehicle is running ahead of you, the
preceding vehicle mark will also be
displayed.
Select a distance from the table belo w. Note that the distances shown cor-
respond to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle dis-
tance increases/decreases in accordance with vehicle speed.
Changing the vehicle- to-vehicle distance
Preceding
vehicle mark
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Vehicle-to-vehicle distance settings
Distance optionsVehicle-to-vehicle distance
LongApproximately 160 ft. (50 m)
MediumApproximately 130 ft. (40 m)
ShortApproximately 100 ft. (30 m)

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Example of follow-up cruising
When following a vehicle driving slower than the set speed
The system continues follow-up cruising while adjusting for changes in the speed
of the vehicle ahead in order to maintain the vehicle-to-vehicle distance set by the
driver.
Example of acceleration
When there are no longer any vehi cles ahead driving slower than the
set speed
The system accelerates until the set speed is reached. The system then returns to
constant speed cruising.
When your vehicle is too close to a vehicle ahead, and sufficient auto-
matic deceleration via the cruise co ntrol is not possible, the display will
flash and the buzzer will sound to alert the driver. An example of this
would be if another driver cuts in front of you while you are following a
vehicle. Apply the brakes to ensure an appropriate vehicle-to-vehicle dis-
tance.
■Warnings may not occur when
In the following instance s, there is a possibility that the warnings will not
occur:
●When the speed of the vehicle ahea d matches or exceeds your vehi-
cle speed
●When the vehicle ahead is traveling at an extremely slow speed
●Immediately after the cruise control speed was set
●At the instant the accelerator is applied
Approach warning
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4-5. Using the driving support systems
Lane departure warning function
If the system judges that the vehicle may deviate from its lane, it alerts
the driver using beeping, screen displays and a sensory warning
* given
via the steering wheel.
*: A slight steering torque is applied for a short period of time in the direction of
the center of the lane.
Lane keeping assist function• This function will be active when the vehicle-to-vehicle distance con- trol mode of the cruise control ( P. 218) is set with vehicle speed
above approximately 45 mph (72 km/h) and while the lane depar-
ture warning function is active.
• When the lane keeping assist fu nction is active, a slight steering
torque will be applied, to help the driver maintain the vehicle inside
the lane.
The lane keeping assist function will be temporarily canceled if the steering
wheel is not operated, or if you continue driving with your hands lightly touch-
ing the steering wheel. ( P. 2 3 8 )
Functions included in the LKA
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Driving
When the LKA system is on, the lane line display and steering wheel dis-
play are shown.Lane keeping assist function
operation indication
Steering wheel displayed:
Indicates that the function is currently
operating. (If the lane departure warn-
ing operates at this time, the steering
wheel flashes orange.)
Steering wheel not displayed:
Indicates that the function is not cur-
rently operating. (When the lane
keeping assist function is canceled,
the buzzer will beep twice.)
Dynamic radar cruise control dis-
play
Lane departure warning function
indication (when the inside of the
white line is white):
The function has recognized lane
markers. (If the lane departure warn-
ing operates at this time, the lines flash
orange.)
Lane departure warning function
indication (when the inside of the
white line is black):
A lane marker is not recognized by
the system, or the LKA system func-
tions are temporarily canceled.
Indication on the multi-information display
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4-5. Using the driving support systems
■Temporary cancelation of the LKA system functions
If any of the following occurs, the LKA system functions will be temporarily canceled.
The functions will resume after the necessary operating conditions have returned.
●The steering wheel is turned as far as necessary to cause the vehicle to change
lanes.
●When the system detects no-handed driving. (The lane keeping assist function will
be temporarily canceled, but the lane departure warning function will continue.)
●The turn signal lever is operated.
●The vehicle speed deviates from the operating range of the LKA system functions.
(The buzzer will beep twice when the lane keeping assist function is being can-
celed.)
●When the lane lines cannot be recognized while driving. (The buzzer will beep
twice when the lane keeping assist function is being canceled.)
●The wiper switch is set on high speed mode or is set on AUTO mode with wipers
operating at high speed. (The lane keeping assist function will be temporarily can-
celed, but the lane departure warning function will continue.)
●If the vehicle crosses a line for approximately half a minute or more. (The lane keep-
ing assist function will be temporarily canceled, but the lane departure warning
function will continue.)
●When the lane departure warning function is activated.
The lane departure warning function will not operate again for a several seconds
after it has been activated, even if the vehicle leaves the lane again.
■The lane departure warning
It may be difficult to feel the sensory warning depending on the road conditions.
■No-handed driving warning
If the steering wheel is not operated for approximately 15 seconds on a straight road
or approximately 5 seconds on a curve, the buzzer will beep twice, indicators on the
multi-information display will flash, and the lane keeping assist function will be tem-
porarily canceled. If you drive the vehicle with your hands lightly touching the steer-
ing wheel, this may also be detected as no-handed driving.
■After the vehicle has been parked in the sun
The LKA system functions may not be available and a warning message ( P. 4 8 9 )
will be displayed for a while after driving ha s started. In such cases, turn the LKA sys-
tem off and turn it on again after normal temperature returns. When the temperature
in the cabin decreases and the temperature around the camera sensor ( P. 2 3 3 )
becomes suitable for its operation, the functions will begin to operate.

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Driving
Driving mode select switch
Normal mode
For normal driving.
Press the switch to change the driving mode to normal mode when selected to
Eco drive mode or sport mode.
Eco drive mode
Use Eco drive mode to help achieve low fuel consumption during trips
that involve frequent accelerating.
When not in Eco drive mode and the driving mode select switch is turned to the
left, the “ECO MODE” indicator comes on in the multi-information display.
Also, on vehicles equipped with a
12.3-inch display, the driving mode is
also automatically displayed on the
side display. ( P. 2 9 6 )
The driving modes can be selected to suit driving condition.
Ve h i c l e s w i t h o u t AV S
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Sport mode
Assists acceleration response by controlling the transmission and
steering. Suitable for when precise handling is desirable, for example
when driving on mountain roads.
When not in sport mode and the driving mode select switch is turned to the right,
the “SPORT” indicator comes on in the multi-information display.
Also, on vehicles equipped with a
12.3-inch display, the driving mode is
also automatically displayed on the
side display. ( P. 2 9 6 )
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Driving
Normal mode
For normal driving.
Press the switch to change the driving mode to normal mode when selected to
Eco drive mode or sport mode.
Eco drive mode
Use Eco drive mode to help achieve low fuel consumption during trips
that involve frequent accelerating.
When not in Eco drive mode and the driving mode select switch is turned to the
left, the “ECO MODE” indicator comes on in the multi-information display.
Also, on vehicles equipped with a
12.3-inch display, the driving mode is
also automatically displayed on the
side display. ( P. 2 9 6 )
Ve h i c l e s w i t h AV S
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