2015 Lexus GS F engine

3584-5. Using the driving support systems
GS350_200t_GS F_OM_OM30E87E_(EE)
Sport mode•SPORT S mode
Assists acceleration response by controlling the transmission and engine.
When not in SPORT S mode an d the driving mode select switch is turned to the
right, the “SPORT S” indicator comes on in the multi-information display.
•SPORT S+ mode
Helps to ensure steering performance and driving stability by simulta-
neously controlling the steering and suspension in addition to the transmis-
sion and engine. Suitable for sporty driving.
When in SPORT S mode and the driving mode select switch is turned to the right,
the “SPORT S+” indicator comes on in the multi-information display.
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3604-5. Using the driving support systems
GS350_200t_GS F_OM_OM30E87E_(EE)
Sport mode•SPORT S mode
Assists acceleration response by controlling the transmission and engine.
When not in SPORT S mode, if the driving mode select switch is turned to the
right, the “SPORT S” indicator comes on in the meter.
•SPORT S+ mode
Provides earlier downshift timing than SPORT S mode in order to maintain
a high engine speed and provides fa ster gear changes. This mode also
changes the steering feel and VDIM co ntrol, making it suitable for power-
ful sporty driving.
When in SPORT S mode, if th e driving mode select switch is turned to the right,
the “SPORT S+” indicator comes on in the meter.
■Operation of the air conditioning system in Eco drive mode
Eco drive mode controls the heating/cooling operations and fan speed of the air condi-
tioning system to enhance fuel efficiency ( →P. 394). To improve air conditioning perfor-
mance, adjust the fan speed or turn off Eco drive mode.
■Automatic operation of the seat heater during Eco drive mode
Eco drive mode controls the heating operation and fan speed of the air conditioning sys-
tem to enhance fuel efficiency. If the driving mode select switch is switched to Eco drive
mode in cold temperatures, the seat heater will be automatically operated to assist heat-
ing performance.
■Automatic deactivation of sport mode and customized mode
If the engine switch is turned off after dr iving in sport mode or customized mode, the
drive mode will be changed to normal mode.
■Driving mode pop-up display (12.3-inch display only)
When the driving mode is changed, the selected driving mode will be temporarily dis-
played on the side display. ( →P. 3 9 2 )
3

3714-5. Using the driving support systems
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■Conditions under which the Rear Crossing Traffic Alert function will not detect a vehi-
cle
The Rear Crossing Traffic Alert function is not designed to detect the following types of
vehicles and/or objects.
●Small motorcycles, bicycles, pedestrians etc.*
●Vehicles approaching from directly behind
●Guardrails, walls, signs, parked vehicles and similar stationary objects*
●Vehicles moving away from your vehicle
●Vehicles approaching from the parking spaces next to your vehicle*
●Vehicles backing up in the parking space next to your vehicle*
*
: Depending on conditions, detection of a vehicle and/or object may occur.
■Conditions under which the Rear Crossing Traffic Alert function may not function cor-
rectly
The Rear Crossing Traffic Alert function may not detect vehicles correctly in the follow-
ing conditions:
●During bad weather such as heavy rain, fog, snow etc.
●When ice or mud etc. is attached to the rear bumper
●When multiple vehicles approach continuously
●Shallow angle parking
●When a vehicle is approaching at high speed
●When parking on a steep incline, such as hills, a dip in the road etc.
●Directly after the BSM function is turned on
●When your vehicle is towing a trailer (vehicles with towing package)
●When items such as a bicycle carrier are installed on the rear of the vehicle
●Directly after the engine is started with the BSM function is turned on
●When the sensors cannot detect vehicles
because of obstacles

3724-5. Using the driving support systems
GS350_200t_GS F_OM_OM30E87E_(EE)
TVD (Torque Vectoring Differential)∗
With the engine switch in IGNITION
ON mode, pressing the TVD switch
changes the TVD control mode.
The current TVD control mode will be
displayed on the meters.
STANDARD mode
This is the default mode and provides an
optimum balance of driving agility and
stability.
SLALOM mode
This mode emphasizes enhanced steer-
ing response.
TRACK mode
This mode emphasizes stability for high
speed sporty driving.
The multi-information display shows the distribution of driving force between the
right and left rear wheels. ( → P. 1 3 4 )
∗: If equipped
The TVD system distributes driving fo rce (torque) between the right and left
rear wheels automatically. This system contributes to enhanced steering
response while cornering and increased traction when exiting a corner, pro-
viding an agile driving experience.
Changing TVD control modes
1
2
3
TVD control status on the multi-information display

3734-5. Using the driving support systems
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■Automatic cancelation of the selected TVD control mode
SLALOM and TRACK mode are canceled when the engine switch is turned off. When
the engine switch is turned to IGNITION ON mode, the TVD system will be in STAN-
DARD mode.
■Automatic disabling of the TVD system
If a malfunction is detected in the TVD system, a warnin g message will be displayed on
the multi-information display ( →P. 518) and the TVD system will be disabled automati-
cally. If the system is disabled , driving force will not be distributed by the TVD but through
normal differential operation.
■To protect the system
If the TVD fluid temperature becomes excessively high due to driving for a long time
under extremely high load conditions, a warning message will be displayed on the multi-
information display. ( →P. 5 1 8 )
WA R N I N G
■Cautions regarding the use of the system
The driver is solely responsible for safe driv ing. Do not overly rely on the TVD system.
Always drive safely, taking care to observe your surroundings.

3754-5. Using the driving support systems
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
◆Hill-start assist control
Helps to prevent the vehicle from rolling backward when starting on an
incline.
◆EPS (Electric Power Steering)
Employs an electric motor to reduce the amount of effort needed to turn the
steering wheel
◆AVS (Adaptive Variable Suspension system) (if equipped)
By independently controlling the damping force of the shock absorbers for
each of the 4 wheels according to the road and driving conditions, this system
helps riding comfort with superior steering stability, and helps good vehicle
posture
When SPORT S+ mode is selected by the driving mode select switch, the
damping force is suitable for sporty driving ( →P. 3 5 7 )
◆VDIM (Vehicle Dynamics Integrated Management)
Provides integrated control of the ABS, brake assist, TRC, VSC, hill-start
assist control and EPS systems
Helps to maintain vehicle stability when swerving on slippery road surfaces by
controlling the brakes, engine output, steering assist, and steering ratio
◆Emergency brake signal
When the brakes are applied suddenly, the stop lights automatically flash to
alert the vehicle behind
The slip indicator light will flash while
the TRC/VSC systems are operating.
When the TRC/VSC systems are operating

3764-5. Using the driving support systems
GS350_200t_GS F_OM_OM30E87E_(EE)
If the vehicle gets stuck in mud, dirt or snow, the TRC system may reduce power
from the engine to the wheels. Pressing to turn the system off may make it
easier for rock the vehicle in order to free it.
To turn the TRC system off, quickly press and release .
GS350/GS200t: The “Traction Control Turned Off” will be shown on the multi-infor-
mation display.
GS F: The “TRC OFF” indi cator light will come on.
Press again to turn the system back on.
Disabling the TRC system
XGS350/GS200tXGS F

3774-5. Using the driving support systems
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■Turning off both TRC and VSC systems
XGS350/GS200t
To turn the TRC and VSC systems off, pres s and hold for more than 3 seconds while
the vehicle is stopped.
The VSC OFF indicator light will come on and the “Traction Control Turned Off” will be
shown on the multi-information display.
*
Press again to turn the systems back on.
XGS F
To turn the TRC and VSC systems off, press and hold for more than 3 seconds.
The “TRC OFF” indicator light and the VSC OFF indicator light will come on.
*
Press again to turn the systems back on.
*: On vehicles with PCS (Pre-Crash Safety system), pre-crash brake assist and pre-
crash braking will also be disabled. The PC S (Pre-Crash Safety system) warning light
will come on and a message will be displa yed on the multi-information display.
( → P. 5 1 8 )
■Expert mode (GS F)
When expert mode is selected, it is possible to drive in a more sporty manner than other
drive modes. Expert mode disables the TRC and VSC systems but the engine and
brakes may be controlled depending on the vehicle behavior.
■When the message is displayed on the mult i-information display showing that TRC has
been disabled even if has not been pressed (GS350/GS200t)
TRC and hill-start assist control cannot be operated. Contact any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional. To select expert mode, press when in
SPORT S+ mode.
The “EXPERT” indicator will come on together
with the TRC OFF and VSC OFF indicators.
To cancel expert mode, press or use the
driving mode select swit ch to select a driving
mode other than SPORT S+ mode.