lane assist Lexus GS350 2015 Refueling / LEXUS 2015 GS350 FROM MAR. 2015 PROD. OWNERS MANUAL (OM30F69U)

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GS350_OM_OM30F69U_(U)
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4-1. Before drivingDriving the vehicle ..................... 160
Cargo and luggage...................... 171
Vehicle load limits .........................174
Trailer towing ................................. 175
Dinghy towing ............................... 176
4-2. Driving procedures Engine (ign ition) switch ............. 177
Automatic transmission ........... 184
Turn signal lever ........................... 190
Parking brake ................................192
Horn ..................................................195
4-3. Operating the lights and wipers
Headlight switch ..........................196
Fog light switch ............................ 201
Windshield wipers and washer ................................ 202
4-4. Refueling Opening the fuel tank cap ..... 209 4-5. Using the driving support
systems
Cruise control ............................... 214
Dynamic radar cruise control............................. 218
LKA (Lane-Keeping Assist) .......... 233
Driving mode select switch ... 243
Driving assist systems .............. 248
Hill-start assist control ............. 256
PCS (Pre-Collision System) ......... 258
BSM (Blind Spot Monitor) .............. 267
• The Blind Spot Monitor function ...................................... 271
• The Rear Cross Traffic Alert function ......................... 274
Lexus night view .......................... 277
4-6. Driving tips Winter driving tips ..................... 283
4Driving

20Pictorial index
GS350_OM_OM30F69U_(U)
Audio remote control switches*1
Paddle shift switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 186
Back switch
*1
Ta l k s w i t c h*1
Telephone switches*1
“DISP” button. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 8 5
Vehicle-to-vehicle distance button
*2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 221
Cruise control switch
Cruise control
*2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 214
Dynamic radar cruise control
*2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 218
Tilt and telescopic steering control switch . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 145
LKA (Lane-Keeping Assist) switch
*2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 233
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GS350_OM_OM30F69U_(U)
792. Instrument cluster
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Instrument cluster
The indicators inform the driver of the operating state of the vehicle’s vari-
ous systems.
Indicators
Turn signal indicator
(  P. 1 9 0 )*1
(if equipped)
Intuitive parking assist
indicator
(U.S.A.)
Headlight indicator
( P. 1 9 6 )*2
(if equipped)
“AFS OFF” indicator
( P. 1 9 8 )
(Canada)
Tail light indicator
( P. 1 9 6 ) *2, 3Slip indicator
( P. 2 5 0 , 2 5 6 )
Headlight high beam
indicator ( P. 1 9 7 )
*2VSC OFF indicator
( P. 2 5 1 )
(if equipped)
Front fog light indicator
( P. 2 0 1 )*2, 4
(if equipped)
“PCS” warning light
( P. 2 6 0 )
Cruise control indicator
(  P. 214, 218)
(U.S.A.)
Parking brake indicator
( P. 1 9 2 )
(if equipped)
Radar cruise control
indicator ( P. 2 1 8 )
(Canada)
Parking brake indicator
( P. 1 9 2 )
Cruise control “SET”
indicator ( P. 214, 218)
*5
(if equipped)
BSM (Blind Spot Monitor)
outside rear view mirror
indicators ( P. 2 6 7 )
(if equipped)
LKA (Lane-Keeping
Assist) indicator
( P. 2 3 3 )*2“A I R B A G
ON/OFF”
indicator ( P. 4 7 )

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GS350_OM_OM30F69U_(U)
2. Instrument cluster
Multi-information display
The multi-information display presents the driver with a variety of driving-
related data including the cu rrent outside air temperature.
●Eco Driving Indicator (P. 9 0 )
●Outside temperature display
( P. 8 5 )
●Trip information ( P. 8 5 )
Displays driving range, fuel consump-
tion and other cruising related infor-
mation
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Tire inflation pressure (if equipped) ( P. 8 7 )
●Drive monitor ( P. 8 7 )
●Intuitive parking assist display* (if equipped)
Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S
MANUAL”.
●
Dynamic radar cruise control display* (if equipped) ( P. 218)
●LKA (Lane-Keeping Assist) display* (if equipped) ( P. 233)
●Warning messages ( P. 4 7 8 )
Automatically displayed when a malfunction occurs in one of the vehicle’s sys-
tems. Display can be switched by pressing the “DISP” button. ( P. 8 5 )
*: Automatically displayed when the system is used. Display can be switched by
pressing the “DISP” button. ( P. 8 5 )
Display contents

GS350_OM_OM30F69U_(U)
932. Instrument cluster
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Instrument cluster
●Vehicle speed
●Tachometer
●Shift position and shift range
Displays the selected shift position or selected shift range ( P. 1 8 4 )
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Eco Driving Indicator ( P. 9 0 )
●Audio display
Displays audio information for approximately 3 seconds when the audio system is
operated
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Route guidance display (vehicles with navigation system) (P. 9 6 )
When approaching an intersection while the navigation system is giving route
guidance, an arrow will automatically be displayed to indicate the direction of
travel.
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Lexus Enform (if equipped)
Displays “LEXUS Enform” for approximately 3 seconds when LEXUS App Suite
is operated
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Lane departure warning display (LKA [Lane-Keeping Assist])
(if equipped) ( P. 489)
●Approach warning display (dyn amic radar cruise control)
(if equipped) ( P. 4 8 8 )
●Pre-collision braking warning message (pre-collision system)
(if equipped) ( P. 489)
Head-up display contents

1473-4. Adjusting the steering wheel and mirrors
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Operation of each component
GS350_OM_OM30F69U_(U)
■To prevent sensor error
To ensure that the sensors operate properly,
do not touch or cover them.
CAUTION
Do not adjust the position of the mirror while driving.
Doing so may lead to mishandling of the vehicle and cause an accident, resulting in
death or serious injury.
NOTICE
■Rear view mirror adjustment (vehicles with LKA [Lane-Keeping Assist])
To ensure that the LKA operates properly,
make sure that it does not block the LKA
camera sensor.

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GS350_OM_OM30F69U_(U)
Driving4
4-1. Before driving Driving the vehicle ...................... 160
Cargo and luggage ...................... 171
Vehicle load limits ........................ 174
Trailer towing ................................. 175
Dinghy towing................................ 176
4-2. Driving procedures Engine (ignition) switch .............177
Automatic transmission ............ 184
Turn signal lever ........................... 190
Parking brake ................................ 192
Horn.................................................. 195
4-3. Operating the lights and wipers
Headlight switch .......................... 196
Fog light switch............................. 201
Windshield wipers and washer .................................202
4-4. Refueling Opening the fuel tank cap..... 209 4-5. Using the driving support
systems
Cruise control ...............................214
Dynamic radar cruise control ............................. 218
LKA (Lane-Keeping Assist) .......... 233
Driving mode select switch ... 243
Driving assist systems............... 248
Hill-start assist control ............. 256
PCS (Pre-Collision System)..........258
BSM (Blind Spot Moni tor)...............267
• The Blind Spot Monitor function ...................................... 271
• The Rear Cross Traffic Alert function.......................... 274
Lexus night view ..........................277
4-6. Driving tips Winter driving tips ..................... 283

GS350_OM_OM30F69U_(U)
2274-5. Using the driving support systems
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Driving
■Automatic cancelation of constant speed control
The cruise control will stop maintaining the vehicle speed in the following situations:
●Actual vehicle speed is more than approximately 10 mph (16 km/h) below the set
vehicle speed.
At this time, the memorized set speed is not retained.
●Vehicle speed falls below approximately 25 mph (40 km/h).
●VSC is activated.
●TRAC is activated for a period of time.
●When the VSC or TRAC system is turned off by pressing the VSC OFF switch.
■When the LKA (Lane-Keeping Assist) will be activated
Using the radar cruise control in vehicle-to-vehicle distance control mode, lane
keeping assist function is activated.
■Radar sensor and grille cover
Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle
distance control operates properly. (Some ob structions, such as snow, ice and plastic
objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is cance led if an obstruction is detected.
■Warning messages and buzzers for dynamic radar cruise control
Warning messages and buzzers are used to indicate a system malfunction or to
inform the driver of the need for caution while driving. ( P. 4 8 1 )
Grille cover
Radar sensor
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GS350_OM_OM30F69U_(U)4-5. Using the driving support systems
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Driving
LKA (Lane-Keeping Assist)
While driving on a freeway or motor highway that has lane markers and
no sharp curves, the sy stem recognizes the lane s using a camera located
above the inside rear view mirror as a sensor to assist the driver with stay-
ing in the lane. The LKA system has two functions.
Camera sensor

: If equipped
Summary of functions

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GS350_OM_OM30F69U_(U)
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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