2019 Lexus GS F ECO mode

268
GS F_OM_OM30G90U_(U)4-5. Using the driving support systems
■Dynamic radar cruise control with full-speed range can be set when
●The shift lever is in D.
●Range 4 or higher of D has been selected by using the paddle shift switch.
●Vehicle speed is at or above
approximately 30 mph (50 km/h).
However, when a preceding vehicle is detected, the dynamic radar cruise control with
full-speed range can be set even if the vehicle speed is below approximately 30 mph
(50 km/h).
■Accelerating after setting the vehicle speed
The vehicle can accelerate by operating the accelerator pedal. After accelerating, the
set speed resumes. However, during vehicle-to-vehicle distance control mode, the vehi-
cle speed may decrease below the set speed in order to maintain the distance to the pre-
ceding vehicle.
■When the vehicle stops while follow-up cruising
●Pushing the lever up while the vehicle ahead stops will resume follow-up cruising if the
vehicle ahead starts off within approximatel y 3 seconds after the lever is pushed up.
●If the vehicle ahead starts off within 3 seconds after your vehicle stops, follow-up cruis-
ing will be resumed.
■Automatic cancelation of vehicle- to-vehicle distance control mode
Vehicle-to-vehicle distance control mode is automatically canceled in the following situ-
ations.
●Actual vehicle speed falls at or below approximately 25 mph (40 km/h) when there are
no vehicles ahead.
●The preceding vehicle leaves the lane when yo ur vehicle is following at a vehicle speed
at or below approximately 25 mph (40 km/h). Otherwise, the sensor can not properly
detect the vehicle. (“CRUISE NOT AVAILA BLE No Preceding Vehicles” is displayed
on the multi-information display)
●VSC is activated.
●TRAC is activated for a period of time.
●When the VSC or TRAC system is turned off.
●When snow mode is set.
●The sensor cannot detect correctly because it is covered in some way.
●Pre-collision braking is activated.
●The parking brake is operated.
●The vehicle is stopped by system control on a steep incline.
●The following are detected when the vehicle has been stopped by system control:
• The driver is not wearing a seat belt.
• The driver’s door is opened.
• The vehicle has been stopped for about 3 minutes
If vehicle-to-vehicle distance control mode is automatically canceled for any other rea-
son, there may be a malfunction in th e system. Contact your Lexus dealer.

274
GS F_OM_OM30G90U_(U)4-5. Using the driving support systems
Driving mode select switch
GS350/GS300 (vehicles without Adaptive Variable Suspension system)
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” indicator comes on in the multi-information display.
Sport mode
Assists acceleration response by cont rolling the transmission, engine and
steering. Suitable for when precise ha ndling 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.
The driving modes can be selected to suit driving condition.
1
2
3

GS F_OM_OM30G90U_(U)
2754-5. Using the driving support systems
4
Driving
GS350/GS300 (vehicles with Adaptive Variable Suspension system)
Normal mode/Customized mode
Normal mode and customized mode ar e selected by pressing the driving
mode select switch. Each time the switch is pressed, the driving mode
changes between normal mode and customized mode. When customized
mode is selected, the “Customize” or “CUSTOMIZE” indicator will be illumi-
nated.
Press the switch to change the driving mode to normal mode when selected to Eco
drive mode or sport mode.
• Normal mode
For normal driving.
• Customized mode
Allows you to drive with the power train, chassis and air conditioning sys-
tem functions set to your preferred settings.
Customized mode settings can only be changed on the drive mode cus-
tomization display of the Remote Touch screen. ( P. 555)
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” or “ECO MODE” indicator come s on in the multi-information display.
Except
F SPORT models
F SPORT models
1
2

GS F_OM_OM30G90U_(U)
2774-5. Using the driving support systems
4
Driving
GS F
Normal mode/Customized mode
Normal mode and customized mode are selected by pressing the driving
mode select switch. Each time the switch is pressed, the driving mode
changes between normal mode and customized mode. When customized
mode is selected, the “CUSTOMIZE” indicator will be illuminated.
Press the switch to change the driving mode to normal mode when Eco drive mode or
sport mode is selected. The normal mo de indicator comes on in the meter.
• Normal mode
For normal driving.
• Customized mode
Allows you to drive with the power train, chassis and air conditioning sys-
tem functions set to your preferred settings.
Customized mode settings can only be changed on the drive mode cus-
tomization display of the Remote Touch screen. ( P. 555)
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, if the driving mode select switch is turned to the left, the
Eco drive mode indicator comes on in the meter.
1
2

278
GS F_OM_OM30G90U_(U)4-5. Using the driving support systems
Sport mode
•SPORT S mode
Assists acceleration response by co ntrolling 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 faster gear changes. This mode also
changes the steering feel, suspension control and VDIM control, making it
suitable for powerful sporty driving.
When in SPORT S mode, if the 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. To improve air conditioning performance, per-
form the following operations:
●Turn off eco air conditioning mode ( P. 312)
●Adjust the fan speed ( P. 311)
●Turn off Eco drive mode
■Automatic operation of the seat heater during Eco drive mode
Eco drive mode controls the heating operatio n 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 sele cted driving mode will be temporarily dis-
played on the side display. ( P. 308)
3

288
GS F_OM_OM30G90U_(U)4-5. Using the driving support systems
■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 de
tected in the TVD system, a warn ing message will be displayed on
the multi-information display ( P. 441) 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 warn ing message will be displayed on the multi-
information display. ( P. 441)
WARNING
■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.

296
GS F_OM_OM30G90U_(U)4-5. Using the driving support systems
WARNING
■When the TRAC/VSC systems are turned off
Be especially careful and drive at a speed appropriate to the road conditions. As these
are the systems to help ensure vehicle stab
ility and driving force, do not turn the
TRAC/VSC systems off unless necessary.
■Expert mode precautions (GS F)
●Do not use on public roads.
●Use only when the road co nditions and safety of the surrounding area can be
ensured.
●Proper use of expert mode requires a professional level of driving skill. When using
expert mode, always check the road condit ions and surrounding area and drive more
carefully than usual.
■Replacing tires
Make sure that all tires are of the specified size, brand, tread pattern and total load
capacity. In addition, make sure that the tire s are inflated to the recommended tire infla-
tion pressure level.
The ABS, TRAC and VSC systems will not function correctly if different tires are
installed on the vehicle.
Contact your Lexus dealer for further in formation when replacing tires or wheels.
■Handling of tires and the suspension
Using tires with any kind of problem or modi fying the suspension will affect the driving
assist systems, and may cause a system to malfunction.

3065-1. Remote Touch screen
GS F_OM_OM30G90U_(U)
■Screen display during low temperatures
When the ambient temperature is extremely low, screen response may be delayed even
if the Remote Touch is operated.
WARNING
■When using the Remote Touch
●Do not allow fingers, fingernails or hair to become caught in the Remote Touch as this
may cause an injury.
●Be careful when selecting the Remote Touch in extreme temperatures as it may
become very hot or cold due to the temperature inside the vehicle.
NOTICE
■To prevent damage to the Remote Touch
●Do not allow the Remote Touch to come into contact with food, liquid, stickers or lit
cigarettes as doing so may cause it to change color, emit a strange odor or stop func-
tioning.
●Do not subject the Remote Touch to excessive pressure or strong impact as the knob
may bend or break off.
●Do not allow coins, contact lenses or ot her such items to become caught in the
Remote Touch as this may cause it to stop functioning.
●Items of clothing may rip if they become caught on the Remote Touch knob.
●If your hand or any object is on the Remote Touch knob when the engine switch is
turned to ACCESSORY mode, the Remote Touch knob may not operate properly.