traction control Lexus GS F 2015 Owner's Manuals

10
GS350_200t_GS F_OM_OM30E87E_(EE)
WA R N I N G
■General precautions while driving
Driving under the influence: Never drive your vehicle when under the influence of
alcohol or drugs that have impaired your ability to operate your vehicle. Alcohol and
certain drugs delay reaction time, impair judgment and reduce coordination, which
could lead to an accident that could result in death or serious injury.
Defensive driving: Always drive defensively. Anticipate mistakes that other drivers or
pedestrians might make and be ready to avoid accidents.
Driver distraction: Always give your full attention to driving. Anything that distracts the
driver, such as adjusting controls, talking on a cellular phone or reading can result in a
collision with resulting death or serious injury to you, your occupants or others.
■General precaution regarding children’s safety
Never leave children unattended in the vehicle, and never allow children to have or use
the key.
Children may be able to start the vehicle or sh ift the vehicle into neutral. There is also a
danger that children may injure themselves by playing with the windows, the moon
roof, or other features of the vehicle. In addition, heat build-up or extremely cold tem-
peratures inside the vehicle can be fatal to children.
Your vehicle contains batteries and/or accumulators. Do not discard them into the
environment but cooperate with separate collection
(Directive 2006 /66/EC).

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

3744-5. Using the driving support systems
GS350_200t_GS F_OM_OM30E87E_(EE)
Driving assist systems
◆ABS (Anti-lock Brake System)
Helps to prevent wheel lock when the brakes are applied suddenly, or if the
brakes are applied while driving on a slippery road surface
◆Brake assist
Generates an increased level of braking force after the brake pedal is
depressed when the system detects a panic stop situation
◆VSC (Vehicle Stability Control)
Helps the driver to control skidding when swerving suddenly or turning on
slippery road surfaces
◆VSC+ (Vehicle Stability Control+)
Provides cooperative control of the ABS, TRC, VSC and EPS. Helps to main-
tain directional stability when swerving on slippery road surfaces by control-
ling steering performance.
◆TRC (Traction Control)
Helps to maintain drive power and prevent the drive wheels from spinning
when starting the vehicle or accelerating on slippery roads
To help enhance driving safety and performance, the following systems oper-
ate automatically in response to various driving situations. Be aware, however,
that these systems are supplementary and should not be relied upon too
heavily when operating the vehicle.

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.

5387-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E87E_(EE)
(If equipped)
Indicates a malfunction in the TVD (Torque Vectoring
Differential) systemA buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
(If equipped)
Indicates that the TVD (Torque Vectoring Differential)
system has overheated
This message may be displayed when driving under
extremely high load conditions such as the following:
• Continuously driving at high speeds or throughsharp turns
• If either right or left rear tire loses traction and spins continuously
A buzzer also sounds.
→ Drive the vehicle for a while, while avoiding
extremely high load conditions.
Indicates a malfunction in th e drive start control system
A buzzer also sounds.
→ Have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Wa r n i n g m e s s a g eDetails/Actions

665Alphabetical index
GS350_200t_GS F_OM_OM30E87E_(EE)
Tires ............................................................ 465Chains .....................................................383
Checking ...............................................465
Emergency tire puncture
repair kit ..............................................567
If you have a flat tire ............... 551, 567
Inflation pressure................................ 623
Replacing ................................................ 551
Rotating tires ........................................466
Size............................................................ 623
Snow tires ............................................. 385
Spare tire................................................. 551
Tire inflation pressure display function ................................................ 467
Tire pressure warning system ..... 467
Warning light ........................................ 515
Warning message.............................. 518
Tools ............................................... 552, 568
Top strap ...................................................... 81
Torque Vectoring Differential
(TVD)...................................................... 372
Towing .......................................................504
Emergency towing........................... 504
Towing capacity ................................ 606
Towing eyelet ......................................507
Trailer towing ............................. 231, 232
Traction Control (TRC) ..................... 374
Trailer towing ............................... 231, 232 Transmission........................................... 245
Automatic transmission.................. 245
Driving mode select switch.......... 356
If the shift lever cannot be
shifted from P...................................585
M mode.................................................. 248
Paddle shift switches......................... 247
TRC (Traction Control)
Function...................................................374
TRC OFF switch ............................... 376
Trip meters .......................................108, 113
Trunk............................................................166 Jam protection function ..................... 171
Luggage security system ................168
Open trunk warning message ...............................................518
Power trunk lid ..................................... 166
Smart entry & start system ............. 166
Trunk closer switch ............................ 167
Trunk easy closer ................................168
Trunk features ...................................... 422
Trunk grip................................................ 167
Trunk light ...............................................168
Trunk opener main switch ..............168
Trunk opener switch.......................... 166
Trunk storage extension .................. 431
Wireless remote control ................. 154
Trunk light ................................................. 168
Trunk light ...............................................168
Wattage ................................................. 625
TVD (Torque Vectoring Differential).......................................... 372
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.