2014 Lexus GS250 brake sensor

5126-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
■Tr u n k
FuseAmpereCircuit
1PSB30Pre-crash seat belts
2PTL25Power trunk lid
3RR J/B-B10Smart entry & start system
4RR S/HTR20Seat heaters (rear)
5FR S/HTR10Seat heaters/ventilators (front)
6RR FOG10Rear fog light
7DC/DC-S (HV)7. 5No circuit
8BATT FAN (HV)20No circuit
9SECURITY7. 5SECURITY
10ECU-B NO.37. 5Pa r k in g b ra ke
11TRK OPN7. 5Power trunk lid
12DCM (HV)7. 5No circuit
13AC INV (HV)20No circuit
14RR-IG15Radar sensor, Blind Spot Monitor
15RR ECU-IG10
Power trunk lid, parking brake, tension
reducer (rear left-hand), RR CTRL SW, tire
pressure warning system
16EPS-IG5Electric power steering system
17BACK UP7. 5Back-up light
GS350_250_OM_OM30E16E_(EE).book Page 512 Tuesday, July 8, 2014 7:11 PM

5637-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
(If equipped)
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)
Indicates that there is a
high possibility of a frontal
collision, or that the pre-
crash braking function is
operatingAt the same time,
will appear
on the head-up display.
Slow the vehicle by
applying the brakes.
(If equipped)
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.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashes
rapidly)
GS350_250_OM_OM30E16E_(EE).book Page 563 Tuesday, July 8, 201 4 7:11 PM

5907-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
CAUTION
■When using the full-size spare tire as a rear tire (vehicles with front and rear tires
of differing sizes)
●Replace the spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that cause sudden engine braking.
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use
with your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
Also, not only can the following system not be utilized fully, but it may even nega-
tively affect the drive-train components:
• AWD system
• ABS & Brake assist
•VSC
•TRC
• Cruise control (if equipped)
• Dynamic radar cruise control (if equipped)
• PCS (if equipped)
•EPS
• AFS (if equipped) • AVS (if equipped)
• LKA (Lane-Keeping Assist)
(if equipped)
• Lexus parking assist monitor (if equipped)
• Lexus parking assist-sensor (if equipped)
• Navigation system (if equipped)
GS350_250_OM_OM30E16E_(EE).book Page 590 Tuesday, July 8, 201 4 7:11 PM

668What to do if... (Troubleshooting)
GS350_250_OM_OM30E16E_(EE)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(→ P. 547)
●The parking brake indicator is on
Is the parking brake released? ( →P. 255)
Depending on the situation, other types of warning buzzer may
also sound. ( →P. 544, 552)
●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. 8 6 )
To stop the alarm, turn the engine switch to IGNITION ON mode
or start the engine. A warning buzzer sounds during driving
An alarm is activated and th e horn sounds (if equipped)
GS350_250_OM_OM30E16E_(EE).book Page 668 Tuesday, July 8, 201 4 7:11 PM

672Alphabetical index
GS350_250_OM_OM30E16E_(EE)
Alphabetical index
A/C ..............................................................371Air conditioning filter........................ 487
Changing the rear seat settings.................................................382
Front automatic air
conditioning system ........................ 371
Humidity sensor ................................ 386
nanoe™ system ................................. 389
Pollen removal mode ......................384
Rear air conditioning system .........391
S-FLOW mode..................................384
ABS (Anti-lock Brake System) .......320 Function ..................................................320
Warning light .......................................545
Warning message............................ 556
Adaptive Front-lighting System (AFS) ...................................................... 261
Adaptive Variable Suspension system (AVS) ....................................... 321
AFS (Adaptive Front-lighting System) ................................................... 261
Air conditioning filter .......................... 487
Air conditioning system .......................371 Air conditioning filter........................ 487
Changing the rear seat settings.................................................382
Front automatic air
conditioning system ........................ 371
Humidity sensor ................................ 386
nanoe™ system ................................. 389
Pollen removal mode ......................384
Rear air conditioning system .........391
S-FLOW mode..................................384 Airbags ........................................................ 44
Airbag manual on-off system......... 56
Airbag operating conditions ............ 51
Airbag precautions for
your child ............................................... 47
Airbag warning light ........................ 545
Correct driving posture.................... 36
Curtain shield airbag operating
conditions ............................................... 51
Curtain shield airbag
precautions ...........................................49
General airbag precautions ............ 47
Locations of airbags ............................44
Modification and disposal of
airbags.................................................... 50
Side airbag operating
conditions ............................................... 51
Side airbag precautions ..................... 47
Side and curtain shield airbags operating conditions ......................... 51
Side and curtain shield airbags precautions ...........................................47
SRS airbags ..............................................44
Airbag manual on-off system ............. 56
Alarm............................................................ 86 Alarm ...................................................... 86
Warning buzzer..................... 544, 552
Anchor brackets ...................................... 70
Antennas (smart entry & start system) .........................................129
A
GS350_250_OM_OM30E16E_(EE).book Page 672 Tuesday, July 8, 201 4 7:11 PM

681Alphabetical index
GS350_250_OM_OM30E16E_(EE)
nanoe system......................................... 389
Navigation system
*
Odometer................................................... 99
OilEngine oil ...............................................635
Front differential oil ...........................644
Rear differential oil.............................644
Opener Hood ....................................................... 450
Trunk ..........................................................175
Outer foot lights
Location..................................................399
Replacing light bulbs........................ 526
Wattage.................................................. 647
Outside rear view mirrors ................. 199
Adjusting and folding........................ 199
BSM (Blind Spot Monitor) .............341
Linked mirror function when reversing................................. 201
Mirror position memory.................. 186
Outside rear view mirror defoggers ..........................................396
Outside temperature display ........... 103
Overheating, Engine...........................625 Paddle shift switches ............................247
Parking assist sensors
*
Parking brake......................................... 255
If the parking brake cannot be released .........................................615
Operation ............................................. 255
Parking brake engaged warning buzzer................................. 561
Parking brake engaged
warning message ............................ 561
PCS
(Pre-Crash Safety system)............ 330Function.................................................. 330
PCS OFF switch.................................. 331
Warning light....................................... 546
Warning message ... 554, 563, 569
Personal lights........................................400
Pollen removal mode.......................... 384
Power easy access system ................ 186
Power outlets ...........................................415
Power steering ........................................321
Warning light....................................... 546
Warning message ............................ 557
Power trunk lid ........................................ 175
Power windows ..................................... 204 Door lock linked window operation............................................ 206
Jam protection function ................. 205
Operation ............................................. 204
Window lock switch ........................ 204
N
O
P
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
sec_10-02.fm Page 681 Friday, July 11, 2014 7:02 PM

684Alphabetical index
GS350_250_OM_OM30E16E_(EE)
Steering lock...........................................240Column lock release.......................... 241
Steering lock system warning message..............................................575
Steering wheel ........................................ 195 Adjustment ............................................. 195
Audio switches
*
Heated steering wheel...................... 417
Power easy access system ............ 186
Steering wheel position
memory................................................ 186
Stop lights
Emergency brake signal .................. 321
Replacing light bulbs....................... 530
Storage feature......................................402
Stuck If the vehicle becomes stuck ........628
Sun visors .................................................. 412
Sun shade Rear .......................................................... 427
Rear door...............................................428
Roof ..........................................................209
Switches AFS OFF switch ...................................261
Audio remote control switches
*
Automatic High Beam switch ..... 264
BSM (Blind spot monitor) switch......................................................341
Cruise control switch ......................285
“DISP” button ........................................ 103
Door lock switches ...............................171
Driving mode select switch ........... 315 Driving position memory
switches ................................................ 187
Dynamic radar cruise control switch ................................................... 289
Emergency flashers switch........... 534
Engine switch .......................................237
Fog light switch................................... 270
Headlight cleaner switch................279
Heated steering wheel switch ...... 417
HUD (Head-up display) switches ................................................. 110
Ignition switch ...................................... 237
Lexus parking assist-sensor switch
*
Light switches...................................... 259
LKA (Lane-Keeping Assist) switch ................................................... 307
Moon roof switches ......................... 208
Outside rear view mirror switches ................................................ 199
Paddle shift switches......................... 247
PCS OFF switch.................................. 331
Power door lock switch ..................... 171
Power window switches................ 204
Rear sunshade switch ......................427
Rear window and outside rear view mirror defoggers
switch ................................................... 396
Seat heater switches .......................... 419
Seat ventilator switches .................... 419
Snow mode switch ........................... 246
Talk switch
*
Telephone switches*
Tilt and telescopic steering control switch ....................................195
GS350_250_OM_OM30E16E_(EE).book Page 684 Tuesday, July 8, 201 4 7:11 PM

687Alphabetical index
GS350_250_OM_OM30E16E_(EE)
Warning buzzersApproach warning............................295
Brake system .......................................544
Downshifting ..........................................251
Key reminder ....................................... 572
Lexus parking assist-sensor
*
No-handed driving warning ......... 310
Open door........................................... 559
Open hood.......................................... 559
Open moon roof .............................. 560
Open trunk .......................................... 560
Open window .................................... 560
Pre-crash braking .............................330
Seat belt reminder ............................. 547
Warning lights........................................... 95
ABS...........................................................545
AFS OFF indicator............................546
Brake system .......................... 544, 546
Charging system ...............................545
Electric power steering system ..................................................546
Low fuel level ....................................... 547
Malfunction indicator lamp ...........545
Master warning light ........................ 547
Open door............................................ 547
Parking brake indicator ..................546
Pre-Crash Safety system ...............546
Seat belt reminder light................... 547
Slip indicator.........................................546
SRS............................................................545
Tire pressure warning light .......... 548 Warning messages .............................. 552
Warning reflector storage belt.......... 411
Washer ......................................................272
Checking ............................................... 465
Low washer fluid warning message ............................................. 567
Preparing and checking before winter.................................... 354
Switch ....................................................... 272
Washing and waxing........................... 436
Weight ...................................................... 632
Welcome light illumination
control...................................................... 127
Wheels...................................................... 485
Replacing............................................... 485
Size ........................................................... 645
Window glasses .................................... 204
Window lock switch ............................ 204
Windows .................................................. 204 Power windows ................................. 204
Rear window defogger .................. 396
Windshield wiper de-icer ................. 397
Windshield wipers ................................272 Intermittent wiper with interval
adjuster ................................................ 272
Position ................................................... 357
Rain-sensing windshield wipers ...................................................274
Winter driving tips ............................... 354
Wireless remote control key ............ 155 Battery-Saving Function .................. 133
Locking/Unlocking ............................155
Replacing the battery ...................... 489
WMA disc
*
W
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
sec_10-02.fm Page 687 Friday, July 11, 2014 7:03 PM