Page 486 of 624

4867-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
InteriorbuzzerExteriorbuzzerWa r n i n g m e s s a g eDetails/Actions
Once
The electronic key is not detected
when an attempt is made to start the
engine.
Start the engine with the elec-
tronic key present.
Once3 times
The electronic key was carried out-
side the vehicle and a door other
than the driver’s door was opened
and closed while the engine switch
was in a mode other than off.
Bring the electronic key back
into the vehicle.
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
in P and the engine switch was not
turned off.
Turn the engine switch off or
bring the electronic key back
into the vehicle.
OnceCon-
tinuous
An attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning
the engine switch off when the shift
lever was in P.
Tu r n t h e e n g i n e s w i t c h o f f a n d
lock the doors again.
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)
Page 487 of 624
4877-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
9 times
An attempt was made to drive when
the regular key was not inside the
vehicle.
Confirm that the electronic key
is inside the vehicle.
Con-
tinuous
The driver’s door was opened when
the shift lever was not in P and the
engine switch was not turned off.
Shift the shift lever to P.
Con-
tinuousCon-
tinuous
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
not in P and the engine switch was
not turned off.
Shift the shift lever to P.
Bring the electronic key back
into the vehicle.
Interior
buzzerExteriorbuzzerWa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)
Page 521 of 624
5217-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E86U_(U)
7
When trouble arises
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of the electronic key to the engine switch.
When the electronic key is detected, a buzz er sounds and the engine switch will turn
to IGNITION ON mode.
When the smart access system with push-but ton start is deactivated in customization
setting, the engine switch will turn to ACCESSORY mode.
Firmly depress the brake pedal and check that and a message (GS F
only) are shown on the multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact your Lexus dealer.
Starting the engine
1
2
GS350/GS200tGS F
3
4
Page 528 of 624
528
GS350_200t_GS F_OM_OM30E86U_(U)7-2. Steps to take in an emergency
If your vehicle overheats
●The needle of the engine
coolant temperature gauge ( P. 86, 92) enters the
red zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
●“Engine Coolant Temp High Stop in a Safe Place See Owner’s Manual” is
shown on the multi-information display.
●Steam is coming from under the hood.
Stop the vehicle in a safe place and tu rn off the air conditioning system, and
then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down suff iciently, inspect the hoses and cooling
core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2
Page 569 of 624

GS350_200t_GS F_OM_OM30E86U_(U)
5698-2. Customization
8
Vehicle specifications
Some function settings are changed simultaneously with other functions being
customized. Contact your Lexus dealer for further details.Settings that can be changed using the Remote Touch
Settings that can be changed using the meter control switches
Settings that can be changed by your Lexus dealer
Definition of symbols: O = Available, — = Not available
■Meters and multi-information display ( P. 100, 108)
GS350/GS200t
Customizable features
1
2
3
FunctionDefault
settingCustomized setting
LanguageEnglishFrenchOO—Spanish
Units*1miles
(MPG US)
miles
(MPG Imperial)
OO—km (L/100 km)
km (km/L)
Eco Driving Indicator Light On
(self-
lighting) Off — O —
switch settingsDrive infor-
mation 1Desired status screen
*2—O—
Drive information screen displayed on
the first screen of
(Drive information 1)
Current fuel
consump- tion
*3—O—Average fuel
economy
(after reset)
Drive information screen displayed on
the second screen of
(Drive information 2)
Distance (range)
*3—O—Average speed
(after reset)
123
Page 570 of 624

570
GS350_200t_GS F_OM_OM30E86U_(U)8-2. Customization
*1: The default setting varies according to countries.
*2: Some status screens cannot be registered (indicated on the multi-information display)
*3: 2 of the following items: current fuel consumption, average fuel economy (after reset),
average fuel economy (after refuel), average fuel economy (after start), average vehi-
cle speed (after reset), average vehicle speed (after start), distance (driving range),
distance (after start), elapsed time (after reset), elapsed time (after start), blank
*4:Except F SPORT models
*5:F SPORT models
*6:GS350
*7:GS200t
Drive information screen displayed on
the third screen of
(Drive information 3)
Average fuel
economy (after
refuel)
*3—O—
Elapsed time
(after start)
Po p - u p d i s p l a yOnOff —O—
Accent color*4Color 1Color 2OO—
Clock12-hour
display24-hour display —O—
Needle*5BlueRed—O—White
Rev indicator*55000 rpm
2000 to
6800 rpm
*6
—O—2000 to
6100 rpm*7
OFF
Rev peak*5ONOFF —O—
FunctionDefault settingCustomized setting123
Page 571 of 624
GS350_200t_GS F_OM_OM30E86U_(U)
5718-2. Customization
8
Vehicle specifications
GS F
FunctionDefault settingCustomized setting
LanguageEnglishFrenchOO—Spanish
Units*1miles
(MPG US)
km (km/L)
OO—km (L/100 km)
miles (MPG Imperial)
Eco Driving Indicator LightON
(self-
lighting)OFF—O—
switch settingsDrive infor- mation 1Desired status
screen
*2—O—
Drive information screen displayed on
the first screen of
(Drive information 1)
Current fuel economy
*3—O—Average
fuel
economy
(after reset)
Drive information screen displayed on
the second screen of
(Drive information 2)
Distance (driving
range)
*3—O—Average vehicle speed
(after reset)
Drive information screen displayed on
the third screen of
(Drive information 3)
Average fuel
economy
(after
refuel)
*3—O—
Elapsed time
(after start)
Po p - u p d i s p l a yONOFF—O—
123
Page 572 of 624

572
GS350_200t_GS F_OM_OM30E86U_(U)8-2. Customization
*1: The default setting varies according to country.
*2: Some status screens cannot be registered
(indicated on multi-information display).
*3: 2 of the following items: current fuel consumption, average fuel economy (after reset),
average fuel economy (after refuel), average fuel economy (after start), average vehi-
cle speed (after reset), average vehicle speed (after start), distance (driving range),
distance (after start), elapsed time (after reset), elapsed time (after start), blank.
■LKA (Lane-Keeping Assist)*/LDA (Lane Departure Alert with steering control)*
( P. 2 4 9 , 2 5 8 )
*:If equipped
Rev indicatorSetting 2
Setting 1
—O—Setting 3
OFF
Rev peakONOFF—O—
Speed indicatorOFF30 to 100 mph
(50 to 160 km/h)—O—
SPORT gauges
SPORT STy p e ATy p e B—O—
SPORT S+Ty p e BTy p e A—O—
FunctionDefault settingCustomized setting123
FunctionDefault
settingCustomized setting
Lane centering function*OffOn—O—
Steering assistOnOff—O—
Adjust alert type*(Steering
vibration)(Buzzer)
—O—
Alert sensitivityHighStandard—O—
Ve h i c l e s w a y w a r n i n gOnOff—O—
Vehicle sway warning sensitivityStandardLow—O—High
123