sensor Lexus GS450h 2013 Repair Manual

7237-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failure to investigate the cause of the following warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer.
Have the vehicle inspected immediately.
Warning messageDetails
Indicates a malfunction in the pre-collision system
Indicates a malfunction in the intuitive parking assist The malfunctioning assist-sensor is flashing.
Indicates a malfunction in the dynamic radar cruise
control system (if equipped) or the cruise control sys-
temPress the “ON/OFF” button once to deactivate the
system, and then press the button again to reacti-
vate the system.
(Flashes)
(If equipped)
(If equipped)
GS450h_U.book Page 723 Monday, January 23, 2012 10:20 AM

7347-2. Steps to take in an emergency
GS450h_U (OM30D01U)
Warning messageDetailsCorrection procedure
Indicates that intuitive
parking assist sensor is
dirty or covered with ice
Clean the sensor.
Indicates that the radar
sensor is dirty or covered
with ice
Clean the sensor.
Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance
•Turn off the snowmode.
• If the windshield wip- ers are on, turn them
off or set them to a
mode other than
AUTO or high speed
wiper operation.
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.
(If equipped)
(If equipped)
(If equipped)
(If equipped)
GS450h_U.book Page 734 Monday, January 23, 2012 10:20 AM

7357-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
Indicates that there is a
high possibility of a frontal
collision, or that the pre-
collision braking function
is operatingAt the same time,
will appear
on the head-up dis-
play too (the image
flashes).
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
(Flashes)
(If equipped)
(If equipped)
GS450h_U.book Page 735 Monday, January 23, 2012 10:20 AM

7367-2. Steps to take in an emergency
GS450h_U (OM30D01U)
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. 7 74 )
Warning messageDetailsCorrection procedure
(If equipped)
(If equipped)
(If equipped)
sec_07-02.fm Page 736 Monday, January 30, 2012 10:37 AM

7417-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
*: 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 cover
and 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_U.book Page 741 Monday, January 23, 2012 10:20 AM

807
GS450h_U (OM30D01U)8-2. Customization
8
Vehicle specifications
Customizable features
■Changing by using the Remote Touch
XVehicles without a navigation system
“Vehicle Settings” screen displayed on the Remote Touch screen.
(→ P. 3 3 6 )
Select “Vehicle Customiza-
tion” on the “Vehicle Settings”
screen.
“Vehicle Customization” screen
will appear.
Choose a category displayed on the screen to display the settings.
Select the setting to be changed. Change each setting.
For items that can be enabled/disabled, and for items with an operating time
that can be changed, select “On” or “Off”, or select the desired operating time.
For items with sensor sensitivity that can be changed, select “+” or “-” to
choose the desired level, then select “OK”.
A message indicating that the settings are being saved will appear.
Do not perform any other operations while this message is dis-
played.
Your vehicle includes a variety of electronic features that can be per-
sonalized to your preferences. These preferences can be changed by
using the “DISP” button, by using th e Remote Touch, or at your Lexus
dealer.
Customizing vehicle features
1
2
3
4
5
GS450h_U.book Page 807 Monday, January 23, 2012 10:20 AM

814
GS450h_U (OM30D01U)
8-2. Customization
Automatic
light control
system
(→ P. 2 1 3 )
“Headlamps-On Sensitiv-
ity”
(Adjust the sensitivity of the
ambient light sensor)
Standard-2 to 2O—O
“Headlamps Auto-Off
Ti m e r ”
(Adjust the time elapsed
before the headlights auto-
matically turn off)
30
seconds
Off
O—O
60
seconds
90
seconds
Welcome light illumination
controlOnOff——O
Lights
( → P. 2 1 3 )“Daytime Running Lights”
(Daytime running lights
can be disabled)
*3OnOffO—O
Intuitive
parking
assist
*2
(→ P. 2 6 1 )
“Detection (Front)”
(Detection distance of the
front center sensor)
FarNearO—O
“Detection (Rear)”
(Detection distance of the
rear center sensor)
FarNearO—O
“A l e r t Vo l u m e ”
(Alert volume can be
adjusted)
31 to 5O—O
“Display”
(when intuitive parking
assist is operating)All sensors
displayedDisplay offO—O
Automatic
air condition-
ing system
(→ P. 3 6 4 )
“A u t o A / C M o d e ”
(A/C Auto switch opera-
tion)
OnOffO—O
“Smog Sensor Sensitivity”
(Exhaust gas sensor sensi-
tivity)
Standard-3 to 3O—O
ItemFunctionDefault
settingCustom-
ized setting123
sec_08-02.fm Page 814 Monday, January 30, 2012 10:45 AM

838What to do if... (Troubleshooting)
GS450h_U (OM30D01U)

●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. (→P. 8 1 )
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. 7 2 8 )
●When a warning light turns on or a warning message is dis-
played, refer to P. 711, 721.
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_U.book Page 838 Monday, January 23, 2012 10:20 AM

850Alphabetical index
GS450h_U (OM30D01U)
Multi-information display ..................... 94Dynamic radar crui se control......236
Energy monitor ...................................... 110
Lane-Keeping Assist ....................... 255
Language ..................................................98
Switching the display...........................95
Trip information .....................................95
Warning message ............................... 721
Navigation system
*
Noise from under vehicle ....................... 8
Odometer .................................................. 89
Oil Engine oil............................................... 785
Differential oil ...................................... 789
Opener Hood ........................................................634
Trunk ........................................................... 141
Outer foot lights
Outer foot lights .................................. 571
Wattage ....................................................791 Outside rear view mirrors................... 161
Adjusting and folding ......................... 161
Blind spot monitor ............................305
Linked mirror function
when reversing.................................. 162
Mirror position memory ................. 150
Outside rear view mirror defoggers............................ 384
Outside temperature display ............. 95
Overheating............................................ 774
Paddle shift switches.............................201
Parking assist sensors (intuitive parking assist).................... 261
Parking brake .........................................207
If the parking brake cannot be released ....................... 765
Operation.............................................. 207
Parking brake engaged warning buzzer ............................... 730
Parking brake engaged
warning message........................... 730
Parking lights ........................................... 213
Light switch............................................. 213
Replacing light bulbs ....................... 697
Welcome light illumination control............................121
N
O
P
GS450h_U.book Page 850 Monday, January 23, 2012 10:20 AM

853Alphabetical index
GS450h_U (OM30D01U)
Seats............................................................ 148Adjustment ............................................. 148
Adjustment precautions .................. 149
Child seats/child restraint
system installation..............................59
Cleaning ................................................ 620
Driving position memory ................ 150
Head restraints..................................... 155
Power easy access system ............ 153
Properly sitting in the seat ................30
Seat heaters ......................................... 590
Seat position memory....................... 150
Seat ventilators ..................................... 591
Sensor
Automatic headlight system .......... 216
Driver monitor sensor .................... 298
Humidity sensor ................................. 376
Inside rear view mirror ..................... 160
Intuitive parking assist ....................... 261
Lexus night view .................................. 315
LKA (Lane-Keeping Assist) .........259
Radar sensor .................245, 298, 310
Rain-sensing windshield wipers ................................................... 224
Service plug ................................................74
Service reminder indicators ............... 84 S-FLOW mode......................................374
Shift lever ................................................... 199
Hybrid transmission ...........................199
If the shift lever cannot be shifted from P ............ 764
Shift lever light ......................................... 571
Shift lock system ....................................764
Side airbags ................................................39
Side marker lights .................................. 213 Light switch............................................. 213
Replacing light bulbs ....................... 697
Welcome light illumination
control......................................................121
Side mirrors ............................................... 161
Adjusting and folding ......................... 161
BSM (Blind spot monitor) ............305
Linked mirror function when reversing.................................. 162
Mirror position memory ................. 150
Side turn signal lights .......................... 205
Replacing light bulbs ....................... 697
Turn signal lever .................................205
Smart access system with push-button start .........................121
Antenna location.................................. 123
Entry functions ........................................121
Starting the hybrid system.............. 189
Warning message.............................. 727
Snow mode............................................. 200
Snow tires ................................................ 323
GS450h_U.book Page 853 Monday, January 23, 2012 10:20 AM