brake sensor LEXUS GS300H 2019 User Guide

4617-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
ABS warning light Indicates a malfunction in:•The ABS; or
• The brake assist system  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.
Electric power steering system warning light (warning buzzer)
Indicates a malfunction in the EPS (Electric Power Steering) sys- tem Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
(Flashes) (If equipped)
PCS (Pre-Crash Safety system) warning light
●When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Crash Safety system)  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer immedi-
ately.
●When the warning light flashes (and a buzzer does not sound):
Indicates that the PCS (Pre-Crash Safety system) is temporarily unavailable, possibly due to either of the following:• An area around the radar sensor or camera sensor being dirty
or covered with condensation, ice, stickers, etc.  Clear the dirt, condensation, ice, stickers, etc. ( P. 264, 285)
• Radar sensor or camera sensor operational conditions (such as temperature etc.) being not met Driving is possible in this case. The PCS (Pre-Crash Safety
system) will be enabled if the operational conditions (such as temperature etc.) are met again.
●When the warning light is illuminated:Either the VSC (Vehicle Stability Control) system or PCS (Pre-Crash Safety system) is disabled or both are disabled.
 To enable the PCS (Pre-Crash Safety system), enable both the VSC system and PCS (Pre-Crash Safety system). ( P. 281, 327)
Slip indicator
Indicates a malfunction in: • The VSC system;• The TRC system; or
• The hill-start assist control system  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.
The light will flash when the VSC, TRC or ABS system is operating.
Warning lightWarning light/Details/Actions

4697-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in the Lexus parking assist All assist-sensors flash.
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 Lexus parking a ssist-sensor is dirty or cov- ered with ice
A buzzer also sounds.  Clean the sensor.
Indicates an attempt was made to release the parking
brake with a door open or the front passenger’s seat belt unfastenedA buzzer also sounds.
 Close all doors and fasten the front passenger’s seat belt before releasing the parking brake.
Warning messageDetails/Actions
(Flashes)

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 iceA buzzer also sounds.
 Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system cannot be used temporarily due to bad weatherA 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 shutter 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

4777-2. 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 reliablerepairer.
(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 ordynamic 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)

5077-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■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 steerin g, sudden braking and shifting operations
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:
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 80 km /h (50 mph) when a compact spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe this precaution may lead to an accid ent causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage location to reduce the possibility of personal injury during a collision or sudden brak- ing.
• ABS & Brake assist
•VSC •TRC• Cruise control (if equipped)
• Dynamic radar cruise control with full- speed range (if equipped)• (Pre-Crash Safety system)
(if equipped) •EPS• AFS (if equipped)
• LDH (if equipped) • DRS (if equipped)
• Adaptive Variable Suspension system
(if equipped) • LKA (Lane-Keeping Assist) (if equipped)
• Tire pressure warning system (if equipped)•VDIM
• VGRS (if equipped) • Lexus parking assist monitor (if equipped)
• Lexus parking assist-sensor (if equipped)• Navigation system (if equipped)

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)

592Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Multi-information display ...................... 111
Audio system-linked ............................. 111
Drive information .................................. 113
Dynamic radar cruise control
with full-speed range.................... 296
G-force...................................................... 114
LKA (Lane-Keeping Assist) ......... 282
Navigation system-linked................... 111
Settings....................................................... 115
Switch settings........................................ 115
Switching the display ...........................112
nanoe  system ..................................... 356
Navigation system*
Odometer................................................. 105
Oil
Differential oil .......................................554
Engine oil .............................................. 550
Opener
Fuel filler door...................................... 257
Hood ......................................................... 401
Trunk ..........................................................146
Outer foot lights
Location..................................................366
Replacing light bulbs........................ 445
Wattage................................................. 558
Outside rear view mirrors ................. 190
Adjusting and folding ........................190
BSM (Blind Spot Monitor) ............. 314
Linked mirror function
when reversing ...................................191
Mirror position memory .................. 178
Outside rear view mirror
defoggers ......................................... 352
Outside temperature display ........... 105
Overheating ........................................... 535
Paddle shift switches ........................... 226
Parking assist sensors*
Parking brake......................................... 232
If the parking brake cannot
be released ....................................... 525
Operation ..............................................232
Parking brake engaged
warning buzzer............................... 466
Parking brake engaged
warning message .......................... 466
PCS
(Pre-Crash Safety system)............ 270
Function.................................................. 270
Warning light......................................... 461
Warning message ............................ 466
Personal lights........................................ 367
Pollen removal mode.......................... 352
Power control unit .................................. 80
N
O
P

596Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Switches
Adaptive High-beam System
switch...................................................... 241
Audio remote control switches*
Automatic High Beam
switch.................................................... 246
Brake hold switch .............................. 235
Cruise control
switch....................................... 296, 308
Door lock switches ............................. 142
Driving mode select switch ............. 311
Driving position memory
switches.................................................178
Emergency flashers switch ........... 452
EV drive mode switch..................... 222
Fog light switch ...................................250
Heated steering wheel
switch.................................................... 362
HUD (Head-up display)
switches.................................................. 119
Ignition switch ........................................ 217
Lexus parking assist-sensor
switch*
Light switch ........................................... 237
LKA (Lane-Keeping Assist)
switch....................................................286
Meter control switches. ......................112
Moon roof switches .......................... 196
Outside rear view mirror
switches................................................ 190
Paddle shift switches ........................ 226
Parking brake switches................... 232
Power door lock switch ................... 142
Power switch ......................................... 217
Power window switches ..................193
Rear sunshade switch..................... 380
Rear window and outside rear
view mirror defoggers
switch ................................................... 352
Seat heater switches ........................ 362
Seat ventilator switches .................. 362
Snow mode switch ............................225
Talk switch*
Telephone switches*
Tilt and telescopic steering
control switch ....................................186
Trunk closer switch ............................ 147
Trunk opener switch.......................... 146
Trunk opener main switch .............. 148
Vehicle-to-vehicle
distance button ............................... 302
VSC OFF switch............................... 326
Window lock switch .......................... 193
Windshield wipers
and washer switch........................... 251
Tachometer ............................................. 104
Tail lights................................................... 237
Light switch............................................ 237
Replacing light bulbs ....................... 449
Welcome light illumination
control ................................................... 140
Talk switch*
Telephone switches*
Theft deterrent system
Alarm ............................................................ 91
Double locking system ...................... 90
Immobilizer system ............................. 85
Intrusion sensor and tilt
sensor ......................................................94
T

598Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Trunk ........................................................... 146
Jam protection function..................... 151
Luggage security system................ 148
Open trunk warning
message..............................................466
Power trunk lid......................................146
Smart entry & start system ..............146
Trunk closer switch ............................. 147
Trunk easy closer................................ 148
Trunk features...................................... 374
Trunk grip ................................................ 147
Trunk light ............................................... 148
Trunk opener main switch ............. 148
Trunk opener switch ..........................146
Wireless remote control ..................134
Trunk light ................................................. 148
Trunk light ............................................... 148
Wattage................................................. 558
Turn signal lights..................................... 231
Replacing light bulbs............ 443, 449
Turn signal lever ................................... 231
Wattage................................................. 558
USB port*
Vanity lights ............................................. 377
Vanity lights .......................................... 377
Wattage................................................. 558
Vanity mirrors ........................................ 377
Vanity lights .......................................... 377
Variable Gear Ratio Steering
(VGRS) ................................................. 324
Function...................................................324
Warning message ............................ 466
VDIM (Vehicle Dynamics
Integrated Management) .............. 325
Vehicle identification number......... 547
Vehicle Stability Control
(VSC) .................................................... 324
Ventilators (seat ventilators) ........... 362
VGRS (Variable Gear Ratio
Steering) ............................................... 324
Function...................................................324
Warning message ............................ 466
VSC (Vehicle Stability
Control) ................................................ 324
Warning buzzers
Approach warning ........................... 303
Brake system ....................................... 460
Downshifting........................................ 228
Key reminder ....................................... 495
Lexus parking assist-sensor*
Open door ........................................... 468
Open hood .......................................... 468
Open moon roof ................................. 481
Open trunk........................................... 468
Open window....................................... 481
Seat belt reminder ............................ 462
Warning label ........................................... 80
U
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