2018 Lexus GS350 engine

556
GS350_300_GS F_OM_OM30G34U_(U)8-2. Customization
■Automatic air conditioning system (
→P. 308)
■Front seat heaters (wit hout seat ventilators)* (→ P. 324)
*: If equipped
■Front seat heaters and ventilators*1/rear seat heaters*2 (→ P. 323)
*1: If both are equipped
*2: If equipped
FunctionDefault
settingCustomized setting
A/C Auto switch operationOnOffO—O
Exhaust gas sensor informationStandard-3 to 3O—O
123
FunctionDefaultsettingCustomized setting
Automatic operation of front seat heaterOffOn——O
123
FunctionDefault
settingCustomized setting
Adjustment of the front seat heater tem-
perature or the ventilator fan speed
during automatic operation (individual
seat adjustment available) Level 3
(standard)Level 1 (low) to level 5 (high)O—O
Adjustment of the re ar seat heater tem-
perature during automatic operation
(individual seat ad justment available)Level 3
(standard)Level 1
(low) to
level 5 (high)
O—O
Rear seat heater start-up conditions
when the engine switch is in IGNITION
ON mode (individual seat adjustment
available)
OffOn
(AUTO)O—O
123

GS350_300_GS F_OM_OM30G34U_(U)
5578-2. Customization
8
Vehicle specifications
■Illumination (→P. 327)
FunctionDefault
settingCustomized setting
Interior lights illumination controlOnOff——O
Time elapsed before the interior lights
turn off15
seconds
7.5
seconds
O—O30
seconds
Operation after the engine switch is
turned offOnOff——O
Operation when the doors are unlockedOnOff——O
Operation when you approach the vehi-
cle with the electronic key on your per-
son
OnOff——O
Footwell lightingOnOff——O
Outer foot lightsOnOff——O
Time elapsed before the outer foot lights
turn off15
seconds
Off
O—O
7.5
seconds
30
seconds
Enable/disable operation of the outer
foot lights when you approach the vehi-
cle with the electronic key on your per-
son
OnOff——O
Enable/disable operation of the outer
foot lights when the doors are unlocked
with the power door lock switchOnOff——O
123

558
GS350_300_GS F_OM_OM30G34U_(U)8-2. Customization
■Rear sunshade* (
→ P. 341)
*: If equipped
■Seat belt reminder buzzer ( →P. 436)
■Vehicle customization
●When the speed linked door locking function and shift position linked door locking
function are both on, the door lock operates as follows.
• When shifting the shift lever to any position other than P, all the doors will be locked.
• If the vehicle is started with all the doors locked, the speed linked door locking func-
tion would not operate.
• If the vehicle is started with any door un locked, the speed linked door locking func-
tion will operate.
●When the smart access system with push-button start is off, the selecting door to
unlock cannot be customized.
●When the doors remain closed after unloc king the doors and the automatic door lock
function (time elapsed before the automatic d oor lock function is activated if a door is
not opened after being unlock ed) activates, the signals will be generated in accordance
with the operation signal (buzzers) and the operation signal (emergency flashers) set-
tings.
●Some settings can be changed using a switch or the Remote Touch screen. If a setting is
changed using a switch, the changed setting will not be reflected on the Remote Touch
screen until the engine switch is turn ed off and then to IGNITION ON mode.
■When customizing using the Remote Touch
Stop the vehicle in a safe place, apply the parking brake, and shift the shift lever to P. Also,
to prevent battery discharge, leave the engine running while customizing the features.
FunctionDefault settingCustomized setting
Reverse operationOnOff——O
Time elapsed before the reverse opera-
tion feature activates0.7
seconds
0 second
——O
0.9
seconds
1.2
seconds
123
FunctionDefault
settingCustomized setting
Speed-linked seat belt reminder func-
tionOnOff——O
123

GS350_300_GS F_OM_OM30G34U_(U)
5598-2. Customization
8
Vehicle specifications
WARNING
■During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilation. In a closed area such as a garage, exhaust
gases including harmful carbon monoxide (CO) may collect and enter the vehicle. This
may lead to death or a serious health hazard.
NOTICE
■During customization
To prevent battery discharge, ensure that the engine is running while customizing fea-
tures.

576What to do if... (Troubleshooting)
GS350_300_GS F_OM_OM30G34U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. ( →P. 134)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (→ P. 135)
●Is the electronic key battery weak or depleted? ( →P. 410)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 198)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
(→ P. 152)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
(→ P. 140)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open th e trunk as usual. Take the key out from the trunk.
(→ P. 145)
If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside

577What to do if... (Troubleshooting)
GS350_300_GS F_OM_OM30G34U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 197)
●Is the shift lever in P? ( →P. 199)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 150)
●Is the steering wheel unlocked? (→ P. 199)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (→P. 502)
●Is the battery discharged? ( →P. 504)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode (→ P. 208)
●It is locked automatically to prevent theft of the vehicle. ( →P. 199)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( →P. 175)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( →P. 199)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically

578What to do if... (Troubleshooting)
GS350_300_GS F_OM_OM30G34U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (→P. 436)
●The parking brake indicator is on
Is the parking brake released? ( →P. 211)
Depending on the situation, other types of warning buzzer may also sound.
(→ P. 434, 441)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→ P. 74)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. (→ P. 441)
●When a warning light turns on or a warning message is displayed, refer to
P. 434, 441.A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

582Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
Child restraint system............................ 59Booster seats, definition ....................59
Booster seats, installation.................. 67
Convertible seats, definition ............59
Convertible seats, installation .........65
Front passenger occupant classification system ......................... 52
Infant seats, definition ..........................59
Infant seats, installation .......................65
Installing CRS with LATCH anchors ..................... 64
Installing CRS with seat belts ..........65
Installing CRS with top tether strap .........................68
Child safety ................................................ 58 Airbag precautions .............................. 44
Battery precautions .............. 391, 508
Child restraint system .........................59
How your child should wear the seat belt ................................. 37, 38
Installing child restraints..................... 63
Moon roof precautions....................180
Power window lock switch ............ 175
Power window precautions ........... 177
Rear door child-protectors ........... 140
Removed electronic key battery precautions.................. 411
Seat belt comfort guide ..................... 37
Seat belt extender precautions ......40
Seat belt precautions .......................... 62
Seat heater precautions.................. 322
Trunk precautions............................... 146 Child-protectors .................................... 140
Cleaning .......................................358, 362
Aluminum wheels ..............................359
Exterior ...................................................358
Interior ..................................................... 362
Seat belts................................................ 363
Clock................................................. 87, 339
Coat hooks ..............................................344
Condenser.............................................. 388
Console box ............................................. 331
Console box light ................................... 331
Consumption screen ............................ 128
Cooling system ..................................... 386 Engine overheating ......................... 509
Consumption screen ............................ 127
Cruise control Cruise control ..................................... 270
Dynamic radar cruise control with full-speed range ...................258
Cup holders............................................ 332
Curtain shield airbags ............................ 42
Customizable features ...................... 545
Daytime running light system............ 217
Defogger Front windshield................................... 314
Outside rear view mirrors .............. 314
Rear window.......................................... 314
Differential Front differential ................................. 526
Rear differential................................... 527
D