sensor Lexus GS300h 2017 Workshop Manual

4767-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates that the radar sensor is dirty or covered with ice
A buzzer also sounds.
 Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system
cannot be used temporarily due to bad weather
A buzzer also sounds.
 Use the radar cruise control system when it
becomes available again.
(If equipped)
Indicates that the radar cruise control system brake con-
trol function is temporarily unavailableDepress the brake.
(If equipped)
Indicates that the grille shu tter system cannot operate or
the grille shutter is dirty or covered with ice
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions

477
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
(Vehicles with entry function)
Indicates a malfunction in the smart entry & start system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
 Clean the sensor and its surrounding area on the
bumper.
Indicates a malfunction in the cruise control system or
dynamic radar cruise control system (if equipped)
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate the system.
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates a malfunction in th e dynamic radar cruise con-
trol with full-speed range
Depress the brake pedal.
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions
(Flashes)

4787-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in the LKA (Lane-Keeping
Assist) system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
The operation conditions of the camera sensor (tem-
perature, etc.) are not met. When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys-
tems will become available.

489
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE) Carrying out the corresponding action turns the messages off.
Air conditioning, heater and other operations are tem-
porarily limited due to high power consumption 
Turn off unnecessary electronic equipment to
reduce power consumption.
Please wait until the power supply returns to nor-
mal.
If this item is frequently displayed, have the vehicle
inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer imme-
diately.
(If equipped)
Indicates that part of the PC S (Pre-Crash Safety system)
sensor is dirty, covered with ice, etc.
A buzzer also sounds.
 Remove any dirt, ice, etc.
Other displayed messages
Warning messageDetails/Actions
(Flashes)
(Flashes)
Warning messageDetails/Actions
Maintenance of the hybrid battery (traction battery)
cooling component is required
The filter may be clogged, the air intake vent may be
blocked or there may be a gap in the duct.
 Have maintenance performed on the hybrid battery
(traction battery) cooling component at any autho-
rized Lexus retailer or Lexus authorized repairer, or
any reliable repairer.

5688-2. Customization
GS450h_300h_OM_OM30F92E_(EE)
■Outside rear view mirrors ( P. 190)
■Power windows and moon roof * ( P. 193, 196)
* : If equipped
■Automatic light control system ( P. 237)
FunctionDefault
settingCustomized setting
Automatic mirror folding and
extending operationLinked to the locking/
unlocking of the doorsOff
——OLinked to opera-
tion of the power switch
Linked mirror function when reversingOnOff——O
123
FunctionDefaultsettingCustomized setting
Mechanical key linked opera- tionOffOn——O
Wireless remote control linked operationOffOn——O
Buzzer sounds if operated
using wireless remote controlOnOff——O
123
FunctionDefaultsettingCustomized setting
Light sensor sensitivityStandard-2 to 2O—O
Follow me home
(Time elapsed before head-
lights automatically turn off)30 seconds
60 seconds
——O90 seconds
120 seconds
Welcome light illumination con-
trolOnOff——O
123

5708-2. Customization
GS450h_300h_OM_OM30F92E_(EE)
■Lexus parking assist-sensor *1, 2
* 1
:If equipped
* 2
: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MAN-
UAL”.
■Driving mode select switch (vehicles with Adaptive Variable Suspension
system) ( P. 312)
FunctionDefault
settingCustomized setting
Detection distance of the front
center sensorFarNearO—O
Detection distance of the rear
center sensorFarNearO—O
Buzzer volume31 to 5O—O
Display setting
(when Lexus parking assist-
sensor is operating)All sensors displayedDisplay offO—O
123
FunctionDefaultsettingCustomized setting
Power train controlNormalPowerO——Eco
Chassis controlNormalSportO——
Air conditioning operationNormalEcoO——
123

571
8
8-2. Customization
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
■Automatic air conditioning system (P. 346)
■Front seat heaters (without seat ventilators) * ( P. 363)
* : If equipped
FunctionDefault
settingCustomized setting
Switching between outside air
and recirculated air mode
linked to “AUTO” switch * oper-
ation
OnOffO—O
A/C Auto switch operationOnOffO—O
Exhaust gas sensor sensitivityStandard-3 to 3O—O
* : This is the switch for turning on and off the auto-
matic mode of the air conditioning system, not
the outside air or recirculated mode switch.
123
FunctionDefaultsettingCustomized setting
Automatic operation of front
seat heaterOffOn——O
123

580What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE) ●
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. 193)
● The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the hybrid system is not operating) for a period of time.
(  P. 219)
● The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 462)
● The parking brake indicator is on
Is the parking brake released? ( P. 232)
Depending on the situation, other type s of warning buzzer may also sound.
(  P. 460, 466)
● Did anyone inside the vehicle open a door or anything move inside the vehicle
during setting the alarm?
The sensor detects them and the alarm sounds. ( P. 91)
To stop the alarm, turn the power switch to ON mode or start the hybrid system. ● Is the electronic key left inside the vehicle or the moon roof opened (if
equipped)?
Check the message on the multi-information display. ( P. 466)
The windows do not open or close by operating the power window
switches
The power switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and th
e horn sounds (if equipped)
A warning buzzer sounds when leaving the vehicle
(vehicles with entry function)

589
Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Hooks
Cargo hooks........................................ 374
Coat hooks ...........................................382
Luggage hook..................................... 374
Retaining hooks (floor mat)............. 34
Horn ............................................................ 186
Hybrid battery (traction battery) Location.....................................................80
Specification .........................................549
Hybrid battery (traction battery)
air vents...................................................... 81
Hybrid system ........................................... 76
Emergency shut off system................81
Energy monitor/consumption screen.......................126
EV drive mode ................................... 222
High voltage components ...............80
Hybrid System Indicator ................. 108
Hybrid system precautions..............80
Hybrid vehicle driving tips ..............331
If the hybrid system will not start ....................................... 523
Overheating .........................................535
Power (ignition) switch ..................... 217
Regenerative braking ......................... 78
Starting the hybrid system............... 217
Hybrid System Indicator ..................... 108
Hybrid transmission............................. 224
If the shift lever cannot be shifted from P ................................... 229
Paddle shift switches ........................ 226
S mode.....................................................227 Identification ........................................... 547
Engine ..................................................... 548
Vehicle.................................................... 547
Ignition switch (power switch) .......... 217 Auto power off function ................... 219
Changing the power switch modes.................................................... 218
If your vehicle has to be stopped in an emergency ......... 453
Starting the hybrid system .............. 217
Illuminated entry system .................... 368
Immobilizer system................................. 85
Indicators .................................................... 101
Initialization Items to initialize ................................. 576
Moon roof ............................................... 197
Power windows ................................... 194
Tire pressure warning system.................................................... 418
Initiators (tire pressure warning system)....................................................427
Inside door handle lights ................... 366
Inside rear view mirror ........................ 188
Instrument panel light control ...........107
Interior lights........................................... 366
Intrusion sensor and tilt sensor .......... 94
ISOFIX rigid anchors ............................ 66
I
* : Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

590Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Jack
Positioning the jack ...........................402
Vehicle-equipped jack .......... 499, 511
Jack handle..................................... 499, 511
Jam protection function Moon roof ............................................... 197
Power trunk lid......................................149
Power window ......................................193
Keyless entry ........................................... 153 Smart entry & start system ............. 153
Wireless remote control ..................134
Keys ............................................................. 134 Battery-saving function.................... 155
Electronic key ........................................134
Engine switch......................................... 217
If the electronic key does not operate properly ............................ 527
If you lose your keys ................ 136, 137
Key number plate ................................134
Keyless entry ............................... 134, 153
Mechanical key.................................... 135
Power switch ......................................... 217
Replacing the battery.......................435
Warning buzzer ...................................154
Wireless remote control key .........134
Knee airbags.............................................. 43 Language (multi-information
display) .................................................. 562
LDH (Lexus Dynamic Handling
system)................................................... 325
Lever
Auxiliary catch lever........................... 401
Hood lock release lever .................. 401
Shift lever ................................................ 224
Turn signal lever................................... 231
Wiper lever ............................................ 251
Lexus Dynamic Handling system
(LDH) ..................................................... 325
Lexus parking assist monitor *
Lexus parking assist-sensor *
Function *
Warning message ............................ 466
Lexus Safety System+........................... 261
AHS (Adaptive High-beam System) ................................................. 241
Automatic High Beam ................... 246
Dynamic radar cruise control with full-speed range ................... 296
LKA (Lane-Keeping Assist) ........ 282
PCS (Pre-Crash Safety system) ................................................ 270
RSA (Road Sign Assist) ................... 291
License plate lights .............................. 237
Light switch............................................ 237
Replacing light bulbs ....................... 449
Welcome light illumination control ................................................... 140
J
K
L