2019 Lexus GS300 ABS

4427-2. Steps to take in an emergency
GS350_300_OM_OM30G96U_(U)
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an audio sound.
■Customization
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features: P. 549)
WARNING
■If both the ABS and the brake sy stem warning lights remain on
Stop your vehicle in a safe place immediat ely and contact your Lexus dealer. The vehi-
cle will become extremely unstable during br aking, and the ABS system may fail, which
could cause an accident resultin g in death or serious injury.
■When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold firmly and oper-
ate using more force than usual.
■If the tire pressure warning light comes on
Be sure to observe the following precaution s. Failure to do so could cause a loss of
vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire . Check the tires. If a tire is flat, change it
with the spare tire and have the flat tire repaired by the nearest Lexus dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

4517-2. Steps to take in an emergency
GS350_300_OM_OM30G96U_(U)
7
When trouble arises
Indicates an engine malfunction A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates an engine malfunction
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupa nt classification system;
or,
• The seat belt pretensioner system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The ABS; or
• The brake assist system
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact your Lexus dealer. Continuing to drive the
vehicle may be dangerous.
Warning messageDetails/Actions
(U.S.A.) (Canada)
(U.S.A.) (Canada)

4857-2. Steps to take in an emergency
GS350_300_OM_OM30G96U_(U)
7
When trouble arises
WARNING
■When the 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 negatively
affect the drive-train components:
•AWD system
■Speed limit when using the spare tire
Do not drive at speeds in excess of 50 mp h (80 km/h) when a spare tire is installed on
the vehicle.
The spare tire is not designed for driving at high speeds. Failure to observe this precau-
tion may lead to an accident 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 possibilit y of personal injury during a collision or sudden brak-
ing.
NOTICE
■Be careful when driving over bumps with the spare tire installed on the vehicle.
The vehicle may become lower when driving with the spare tire compared to when
driving with standard tires. Be careful when driving over uneven road surfaces.
■Driving with tire chains and the spare tire
Do not fit tire chains to the spare tire.
Tire chains may damage the vehicle body and adversely affect driving performance.
■When replacing the tires
When removing or fitting the wheels, tires or the tire pressure warning valve and trans-
mitter, contact your Lexus dealer as the tire pressure warning valve and transmitter
may be damaged if not handled correctly.
• ABS & Brake assist
•VSC
•TRAC
• Cruise control
• Dynamic radar cruise control with
full-speed range (if equipped)
• PCS (Pre-Collision System)
(if equipped)
•EPS
• AFS (if equipped)
• Adaptive Variable Suspension system
(if equipped) • LKA (Lane-Keeping Assist)
(if equipped)
• Tire pressure warning system
•VDIM
• Lexus parking assist monitor
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
• DRS (if equipped)
• VGRS (if equipped)
• LDH (if equipped)

584Alphabetical index
GS350_300_OM_OM30G96U_(U)
Alphabetical index
A/C ..............................................................316Air conditioning filter......................... 410
Changing the rear seat settings ................................................. 323
Front automatic air conditioning system ................................................... 316
Micro dust and pollen filter ........... 322
Rear air conditioning system........ 327
S-FLOW mode ....................................317
ABS (Anti-lock Brake System)....... 296 Function ..................................................296
Warning light ....................................... 437
Warning message ............................. 444
Active Sound Control (ASC) ........... 221
Adaptive Front-lighting System (AFS) ...................................................... 223
Adaptive Variable Suspension system (AVS)...................................... 297
AFS (Adaptive Front-lighting System) .................................................. 223
Air conditioning filter ........................... 410
Air conditioning system .......................316 Air conditioning filter......................... 410
Changing the rear seat settings ................................................. 323
Front automatic air conditioning system ................................................... 316
Micro dust and pollen filter ........... 322
Rear air conditioning system........ 327
S-FLOW mode ....................................317 Airbags .......................................................... 41
Airbag operating conditions .......... 48
Airbag precautions for your child ....................................... 44
Airbag warning light ........................ 437
Correct driving posture .................... 34
Curtain shield airbag operating conditions ....................... 48
Curtain shield airbag precautions .......................................... 46
Front passenger occupant classification system......................... 52
General airbag precautions ........... 44
Locations of airbags.............................. 41
Modification and disposal of airbags................................................47
Side airbag operating conditions ............................................. 48
Side airbag precautions .................... 44
Side and curtain shield airbags operating conditions ....................... 48
Side and curtain shield airbags precautions .......................................... 44
SRS airbags ............................................... 41
Alarm ............................................................ 79 Alarm ...........................................................79
Warning buzzer..................... 437, 444
Anchor brackets.......................................63
Antennas (smart access system with push-button start) ..................... 156
Anti-lock Brake System (ABS) .......296 Function .................................................. 296
Warning light ....................................... 437
Warning message............................. 444
A

601Alphabetical index
GS350_300_OM_OM30G96U_(U)
Warning buzzersApproach warning ............................ 273
Brake system........................................ 437
Downshifting ..........................................213
Intuitive parking assist
*
Key reminder ....................................... 472
Open door ............................................446
Open moon roof .............................. 459
Open hood ...........................................446
Open trunk ...........................................446
Open window .................................... 459
Seat belt reminder .............................439
Warning lights .......................................... 86 ABS........................................................... 437
AFS OFF indicator ........................... 438
Brake system............................437, 439
Charging system................................ 437
Electric power steering.................. 438
Low fuel level .......................................439
Malfunction indica tor lamp ........... 437
Master warning light.........................439
Open door ............................................439
Parking brake indicator ..................439
Pre-collision system......................... 438
Seat belt reminder light...................439
Slip indicator ........................................ 438
SRS ............................................................ 437
Tire pressure ........................................439 Warning messages...............................444
Washer ......................................................229
Checking ............................................... 394
Low washer fluid warning message........................... 444
Preparing and checking before winter ....................................304
Switch ...................................................... 229
Washing and waxing .......................... 360
Weight Cargo capacity...................................200
Load limits .............................................200
Weight .................................................... 522
Welcome light illumination control ..................................................... 144
Wheels Replacing .............................................. 408
Size ........................................................... 532
Window glasses....................................... 181
Window lock switch............................... 181
Windows..................................................... 181 Power windows..................................... 181
Rear window defogger .................. 322
Washer ................................................... 229
Windshield wiper de-icer ..................322
Windshield wipers ................................229 Position ................................................... 307
Rain-sensing windshield wipers................................................... 229
W
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.