Page 559 of 676

5598-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D77E)
■Warning buzzer
In some cases, the buzzer may not be heard due to being in a noisy location or audio
sound.
WARNING
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact any authorized Lexus retailer
or Lexus authorized repairer, or any reliable repairer. The vehicle will become
extremely unstable during braking, and the ABS system may fail, which could cause an
accident resulting in death or serious injury.
■When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
When steering wheel operations are heavier than usual, grip the steering wheel firmly
and operate it using more force than usual.
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause a loss of
vehicle control and result in death or serious injury.
Vehicles with a compact spare tire
●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 authorized Lexus
retailer or Lexus authorized repa irer, or any reliable repairer.
●Avoid abrupt maneuvering and braking. If th e vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
Vehicles with an emergency tire puncture repair kit
●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, repair the
flat tire by using emergency tire puncture repair kit.
●Avoid abrupt maneuvering and braking. If th e 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.
NOTICE
■To ensure the tire pressure warning system operates properly
Do not install tires with different specifications or makers, as the tire pressure warning
system may not operate properly.
Page 560 of 676
5608-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
Master warning light
The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed on the multi-information display.
Multi-information display
If any of the warning lights come on again after the following actions have been
performed, contact any authorized Lexus retailer or Lexus authorized repairer,
or any reliable repairer.
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and perform
the following actions:
Except F SPORT modelsF SPORT models (when the main
meter is in the center position)
F SPORT models (when the main
meter is in the right-side position)
1
2
Page 561 of 676
5618-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D77E)
Warning message and warning buzzer list
Warning messageDetails/Actions
(If equipped)
Indicates that there is a high possibility of a frontal colli-
sion, or that the pre-collision braking function is operat-
ing A buzzer also sounds.
Avoid the collision by decelerating using the brakes
or taking other evasive actions.
Indicates that the engine was stopped with the shift lever
not in P
A buzzer also sounds.
Shift the shift lever to P.
Indicates that the engine was stopped while driving
A buzzer also sounds.
Stop the vehicle in a safe place such as the shoulder
of a road.
(If equipped)
Indicates that your vehicle is nearing the vehicle ahead
(in vehicle-to-vehicle distance control mode)
A buzzer also sounds.
Slow the vehicle by applying the brakes.
(Flashes)
(Flashes)
Page 562 of 676
![Lexus IS200t 2017 Owners Manuals 5628-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
(If equipped)
Indicates that the vehicle has deviated from the lane
(while the LDA [Lane Departure Alert with steering con-
trol] system are o Lexus IS200t 2017 Owners Manuals 5628-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
(If equipped)
Indicates that the vehicle has deviated from the lane
(while the LDA [Lane Departure Alert with steering con-
trol] system are o](/manual-img/36/29700/w960_29700-561.png)
5628-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
(If equipped)
Indicates that the vehicle has deviated from the lane
(while the LDA [Lane Departure Alert with steering con-
trol] system are operating)The lane line on the side the vehicle has deviated from
flashes in amber.
A buzzer also sounds.
Check around the vehicle and back to inside of the
lane lines.
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
A buzzer also sounds.
Immediately stop the vehicle in a safe place and
contact any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer. Con-
tinuing to drive the vehicle may be dangerous.
Indicates that one or more of the doors is not fully closed
The system also indicates which doors are not fully
closed.
If the vehicle reaches a speed of 5 km/h (3 mph),
flashes and a buzzer sounds to indicate that
the door(s) are not yet fully closed.
Make sure that all the doors are closed.
Indicates that the hood is not fully closed
If the vehicle reaches a speed of 5 km/h (3 mph),
flashes and a buzzer sounds to indicate that
the hood is not yet fully closed.
Close the hood.
Warning messageDetails/Actions
(Flashes)
(Flashes)
Page 563 of 676
5638-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D77E)
Indicates that the trunk is not fully closedIf the vehicle reaches a speed of 5 km/h (3 mph),
flashes and a buzzer sounds to indicate that
the trunk is not yet fully closed.
Close the trunk.
(If equipped)
Indicates a malfunction in th e Lexus parking assist-sen-
sor The 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 a Lexus parking assist-sensor is dirty or
covered with ice
A buzzer also sounds.
Clean the sensor.
Warning messageDetails/Actions
Page 564 of 676
5648-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) systemA buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates that the vehicle is being driven at 5 km/h (3
mph) or more with the parking brake still engaged
A buzzer also sounds.
Release the parking brake.
Warning messageDetails/Actions
(Flashes)
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5658-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D77E)
Indicates that the shift position was changed and drive
start control was operated while depressing the acceler-
ator pedalA buzzer also sounds.
Momentarily release the accelerator pedal.
Indicates that the shift lever was used to attempt to shift
to the first gear position in M mode on a slippery road
surface
The gear position will not shift from the second gear.
A buzzer also sounds.
Drive the vehicle in the second or a higher gear
position.
(If equipped)
Indicates that the LDA (Lane Departure Alert with steer-
ing control) system has dete rmined that the driver does
not have their hands on the steering wheel while the
steering control function is on
A buzzer also sounds. (For Israel)
Firmly hold the steering wheel.
Warning messageDetails/Actions
(Flashes)
Page 566 of 676
5668-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
(If equipped)
Indicates that steering control function is temporarily
canceled due to the LDA (Lane Departure Alert with
steering control) system determining that the driver
does not have their hands on the steering wheel while
the steering control function is on
Firmly hold the steering wheel.
Indicates an engine malfunction
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates an engine malfunction
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates an engine malfunction
A buzzer also sounds.
Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions