sensor Lexus GS450h 2015 Repair Manual

5267-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in vehicle-to-vehi-
cle distance mode)At the same time,
will appear on
the head-up display
(the image flashes).
Slow the vehicle by
applying the brakes.
Indicates that there is a
high possibility of a frontal
collision, or that the pre-
collision braking function
is operating At the same time,
will appear
on the head-up dis-
play.
Slow the vehicle by
applying the brakes.
Indicates that the LKA
(Lane-Keeping Assist) is
suspended
•The camera sensor temperature is higher
than the operation tem-
perature range.
•The power steering system operation is
restricted.
Restart the LKA after
driving for a while.
Warning messageDetailsCorrection procedure
(If equipped)
(Flashes
rapidly)
(If equipped)
(If equipped)
GS450h_OM_OM30F70U_(U).book Page 526 Monday, January 19, 2015 9:34 AM

5277-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
7
When trouble arises
Alerts the driver that the
vehicle is out of the lanes
(while the LKA [Lane-
Keeping Assist] system is
operating)The warning buzzer
sounds continuously.
The lane markings and/
or the steering wheel
marking flash.
At the same time,
will appear
on the head-up dis-
play (part of the image
flashes).
Check around the vehi-
cle and back to inside of
the lane markings.
Indicates that the LKA
(Lane-Keeping Assist)
system detects no-
handed driving (while the
lane keeping assist func-
tion is operating) The warning buzzer
sounds twice.
Grip the steering wheel
firmly.
Indicates that the Blind
Spot Monitor sensors or
the surrounding area on
the bumper is dirty or
covered with ice
Clean the sensor and its
surrounding area on the
bumper.
Indicates that the hybrid
system has overheatedThis message may be
displayed when driving
under severe operating
conditions. (For exam-
ple, when driving up a
long steep hill.)
Stop and check.
(→ P. 566)
Warning messageDetailsCorrection procedure
(If equipped)
(If equipped)
(If equipped)
GS450h_OM_OM30F70U_(U).book Page 527 Monday, January 19, 2015 9:34 AM

5327-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supple-ment” for the maintenance interval applicable to your vehicle.
Warning messageDetailsCorrection procedure
Indicates that the tire
position information can-
not be recognized
Drive for a short while
and check if the display
updates. If the radio wave condi-
tions improve, the dis-
play may return to
normal. If the tire pres-
sure is still not dis-
played after driving for
several minutes, stop
the vehicle in a safe
place, turn the power
switch off then on
again, and start driving.
If the tire pressure is still
not displayed even
after repeating this sev-
eral times, have the
vehicle inspected at
your Lexus dealer.
Indicates that the pre-col-
lision system is not cur-
rently functional because
the grille cover or the
sensor is dirtyThis message also
appears when the pre-
collision system is not
functional due to over-
heating.
• Check the grille coverand the sensor and
clean them if they are
dirty.
• In case of overheating, the system will become
functional once the sys-
tem cools down.
(If equipped)
(Flashes)
(If equipped)
GS450h_OM_OM30F70U_(U).book Page 532 Monday, January 19, 2015 9:34 AM

604
GS450h_OM_OM30F70U_(U)
8-2. Customization
Tu r n s i g n a l
lever
(→ P. 209)
The number of times
the turn signal lights
flash automatically
when the turn signal
lever is moved to the
first position during a
lane change
(After flashing the turn
signal lights when turn-
ing left or right while
this function is off and
the turn signal lever is
moved to the first posi-
tion in direction of the
flashing light, the turn
signal lights can be
selected to be flashing
or off.)
3
5
——O
7
Off
(the turn signal lights keep
flashing if the turn signal
lever is moved
to the first posi- tion in direc-
tion of flashing light)
Off
(the turn signal
lights will be off if the turn sig- nal lever is
moved to the
first position in direction of
flashing light)
Automatic
light control
system
( → P. 2 1 7 )
Light sensor sensitivityStandard-2 to 2O—O
Time elapsed before
the headlights auto-
matically turn off30
seconds
Off
O—O
60
seconds
90
seconds
Welcome light illumi-
nation controlOnOff——O
Lights
( → P. 2 1 7 )Daytime running
lights
*2OnOffO—O
ItemFunctionDefault
settingCustomized setting123
GS450h_OM_OM30F70U_(U).book Page 604 Monday, January 19, 2015 9:34 AM

GS450h_OM_OM30F70U_(U)
6058-2. Customization
8
Vehicle specifications
Intuitive
parking
assist
*3, 4
Detection distance of
the front center sensorFarNearO—O
Detection distance of
the rear center sensorFarNearO—O
Buzzer volume31 to 5O—O
Display setting
(when intuitive parking
assist is operating)All sensors displayedDisplay offO—O
Automatic
air condition-
ing system
(→ P. 335)A/C Auto switch oper-
ationOnOffO—O
Exhaust gas sensor
informationStandard-3 to 3O—O
Front seat
heaters and
ventilators/
rear seat
heaters
*3
( → P. 3 8 2 )
Adjustment of the front
seat heater tempera-
ture or the ventilator
fan speed during auto-
matic operation (indi-
vidual seat adjustment
available)
Level 3
(standard)Level 1 (low) to level 5 (high)O—O
Adjustment of the rear
seat heater tempera-
ture during automatic
operation (individual
seat adjustment avail-
able)
Level 3
(standard)
Level 1
(low) to level 5 (high)
O—O
Rear seat heater start-
up conditions when
power switch is in the
ON position (individual
seat adjustment avail-
able)
OffOn
(AUTO)O—O
ItemFunctionDefault settingCustomized setting123
GS450h_OM_OM30F70U_(U).book Page 605 Monday, January 19, 2015 9:34 AM

632What to do if... (Troubleshooting)
GS450h_OM_OM30F70U_(U)
●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. (→P. 8 3 )
To stop the alarm, turn the power switch to ON mode or start the
hybrid system.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display.
(→ P. 513)
●When a warning light turns on or a warning message is dis-
played, refer to P. 503, 513.
An alarm is activated
and the horn sounds
A warning buzzer sounds wh en leaving the vehicle
A warning light turns on or a warning message is displayed
GS450h_OM_OM30F70U_(U).book Page 632 Monday, January 19, 2015 9:34 AM

634Alphabetical index
GS450h_OM_OM30F70U_(U)
Alphabetical index
A/C ............................................................ 335Air conditioning filter ....................... 458
Changing the rear seat settings ................................................. 347
Front automatic air conditioning
system ................................................. 335
Humidity sensor .................................. 351
Micro dust and pollen filter ...........349
Rear air conditioning system....... 355
S-FLOW mode ..................................349
ABS (Anti-lock Brake System)....... 283
Function ................................................. 283
Warning light ...................................... 504
Warning message .............................. 517
Adaptive Front-lighting System
(AFS) ........................................................219
Adaptive Variable Suspension
system (AVS) ...................................... 284
AFS (Adaptive Front-lighting
System) ....................................................219
Air conditioning filter ..........................458
Air conditioning system ..................... 335 Air conditioning filter ....................... 458
Changing the rear seat settings ................................................. 347
Front automatic air conditioning system ................................................. 335
Humidity sensor .................................. 351
Micro dust and pollen filter ...........349
Rear air conditioning system....... 355
S-FLOW mode ..................................349 Airbags ........................................................ 38
Airbag operating conditions .......... 46
Airbag precautions for your child ......................................... 41
Airbag warning light ........................504
Correct driving posture .................... 30
Curtain shield airbag operating conditions ....................... 46
Curtain shield airbag precautions .......................................... 44
Front passenger occupant classification system......................... 49
General airbag precautions ............. 41
Locations of airbags............................ 38
Modification and disposal of airbags............................................... 45
Side airbag operating conditions ............................................. 46
Side airbag precautions ...................... 41
Side and curtain shield airbags operating conditions ....................... 46
Side and curtain shield airbags
precautions ............................................ 41
SRS airbags ............................................. 38
Alarm ........................................................... 83 Alarm .......................................................... 83
Warning buzzer ...................... 503, 513
Anchor brackets........................................ 61
Antennas (smart access system with push-button start) ..................... 125
Anti-lock Brake System (ABS) ...... 283 Function .................................................. 283
Warning light .......................................504
Warning message............................... 517
A
GS450h_OM_OM30F70U_(U).book Page 634 Monday, January 19, 2015 9:34 AM

644Alphabetical index
GS450h_OM_OM30F70U_(U)
Outside rear view mirrors ..................164Adjusting and folding ........................ 164
Blind Spot Monitor........................... 300
Linked mirror function
when reversing ................................. 165
Mirror position memory .................. 152
Outside rear view mirror defoggers ........................... 360
Outside temperature display ..............97
Overheating ........................................... 566
Paddle shift switches ........................... 205
Parking assist sensors (intuitive parking assist)
*
Parking brake............................................ 211 If the parking brake cannot be released........................557
Operation ................................................. 211
Parking brake engaged warning buzzer ............................... 522
Parking brake engaged
warning message ........................... 522
Parking lights............................................ 217
Light switch ............................................. 217
Replacing light bulbs ....................... 489
Welcome light illumination control ..........................123 PCS (Pre-Collision System)............ 290
Function .................................................. 290
PCS OFF switch ................................ 292
Warning light ...................................... 505
Warning message....................... 515, 526, 532
Personal lights ....................................... 364
Power control unit ................................... 76
Power control unit coolant................434 Capacity ................................................. 579
Checking ............................................... 434
Preparing and checking before
winter..................................................... 318
Power easy access system................. 152
Power outlets ......................................... 378
Power steering (Electric Power
Steering system)................................ 284Warning light .......................................504
Warning message.............................. 518
Power switch............................................ 193
Power trunk opener and closer ....... 143
Power windows....................................... 167
Door lock linked window operation ...........................169
Jam protection function................... 168
Operation................................................ 167
Window lock switch .......................... 167
P
GS450h_OM_OM30F70U_(U).book Page 644 Monday, January 19, 2015 9:34 AM

646Alphabetical index
GS450h_OM_OM30F70U_(U)
Seat belts..................................................... 32Adjusting the seat belt ........................ 33
Automatic Locking Retractor ......... 34
Child restraint system installation..............................................64
Cleaning and maintaining the seat belt ........................................ 413
Emergency Locking Retractor (ELR).................................. 34
How to wear your seat belt ............. 32
How your child should wear the seat belt ..........................................35
Pre-collision seat belts ....................... 34
Pregnant women, proper seat belt use.......................................... 36
Reminder light and buzzer .......... 506
Seat belt extender.................................35
Seat belt pretensioners ...................... 34
SRS warning light .............................. 504
Seat heaters ............................................ 382
Seat position memory...........................152
Seat ventilators ...................................... 382
Seating capacity..................................... 190 Seats ............................................................150
Adjustment............................................. 150
Adjustment precautions .................... 151
Child seats/child restraint
system installation ............................... 61
Cleaning................................................... 412
Driving position memory................. 152
Head restraints .................................... 158
Power easy access system ............. 152
Properly sitting in the seat ................ 30
Seat heaters .......................................... 382
Seat position memory .......................152
Seat ventilators.................................... 382
Sensor
Automatic headlight system ........ 220
Driver monitor sensor ..................... 293
Humidity sensor ...................................351
Inside rear view mirror......................163
Intuitive parking assist
*
Lexus night view................................... 314
LKA (Lane-Keeping Assist)......... 279
Radar sensor................248, 264, 293
Rain-sensing windshield wipers................................................... 228
Service plug................................................ 76
Service reminder indicators ............... 86
S
GS450h_OM_OM30F70U_(U).book Page 646 Monday, January 19, 2015 9:34 AM