Lexus IS F 2011 Owner's Manual

428
5-2. Steps to take in an emergency
IS F_EE
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
Electric power steering system warning light
When the voltage is low or drops, the electric power steering system warn-
ing light may come on.
CAUTION
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 operate using more force than usual.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door or the
trunk is not fully closed.
Check that all doors and the
trunk are closed.
Low fuel level warning
light
Remaining fuel
(Approximately 11 L
[2.9 gal., 2.4 Imp. gal.] or
less)
Refuel the vehicle.
(On the
instrument
cluster)
Driver’s seat belt
reminder light
(warning buzzer)
*2
Warns the driver to fasten
his/her seat belt.
Fasten the seat belt.

5
429
5-2. Steps to take in an emergency
When trouble arises
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*1:Open door warning buzzer:
P. 435
*2:Driver's and front passenger’s seat belt buzzer:
The driver’s and front passenger’s seat belt buzzer sounds to alert the
driver and front passenger that his or her seat belt is not fastened. The
buzzer sounds for 30 seconds after the vehicle reaches a speed of 20 km/
h (12 mph). Then, if the seat belt is still unfastened, the buzzer will sound
in a different tone for 90 more seconds.
(On the center
panel)
Front passenger’s seat belt
reminder light
(warning buzzer)
*2
Warns the front passenger
to fasten his/her seat belt.
Fasten the seat belt.
Master warning light
A buzzer sounds and the
warning light comes on
and flashes to indicate that
the master warning sys-
tem has detected a mal-
function.
P. 4 3 1
Warning lightWarning light/DetailsCorrection procedure

430
5-2. Steps to take in an emergency
IS F_EE
If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes com-
pletely empty. If the fuel tank is empty, refuel the vehicle immediately. The
malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional as soon as possible.
Front passenger detection sensor and passenger seat belt reminder and
warning buzzer
If luggage is placed on the front passenger seat, the front passenger
detection sensor may cause the warning light to flash and the warning
buzzer to sound, even if a passenger is not sitting in the seat.
If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.

5
431
5-2. Steps to take in an emergency
When trouble arises
IS F_EE
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and
perform the following actions:
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 dis-
play.
Multi-information display
If any of the warning lights turns on again after performing the
following actions, contact any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.

432
5-2. Steps to take in an emergency
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Stop the vehicle immediately.
A buzzer sounds and a warning message is shown on the multi-
information display. The following warning indicates the possibil-
ity of damage to the vehicle that may lead to an accident. Immedi-
ately stop the vehicle in a safe place and contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped
professional.
Warning messageDetails
(Flashing)
Indicates an abnormal engine oil pressure.
The warning light may turn on if the engine oil
pressure is too low.
(Flashing)
Indicates that the engine oil temperature is too
high.
The engine oil temperature gauge display will
also flash. (P. 161)

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433
5-2. Steps to take in an emergency
When trouble arises
IS F_EE
Have the vehicle inspected immediately.
A buzzer sounds and a warning message is shown on the multi-
information display. Failing to investigate the cause of the follow-
ing warnings may lead to the system operating abnormally and
possibly cause an accident. Have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional, immediately.
Warning messageDetails
Indicates a malfunction in the headlight leveling
system.
(Flashing)
Indicates a malfunction in the steering lock sys-
tem.
(If equipped)
Indicates a malfunction in the pre-crash safety
system.

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5-2. Steps to take in an emergency
IS F_EE
(If equipped)
Indicates a Lexus parking assist-sensor malfunc-
tion.
The malfunctioning assist-sensor is shown flash-
ing on the display.
(Flashing and then
continuously on)
(Flashing)
(If equipped)
Indicates a malfunction in the radar cruise control
system.
Press the “ON-OFF” button once to deactivate
the system, and then press the button again to
reactivate the system.
Warning messageDetails

5
435
5-2. Steps to take in an emergency
When trouble arises
IS F_EE
Follow the correction procedures.
A buzzer sounds and a warning message is shown on the multi-
information display. After taking the specified steps to correct the
suspected problem, check that the warning message turns off.
Warning messageDetailsCorrection procedure
Indicates that one or
more of the doors is not
fully closed.
The system also indi-
cates which doors are
not fully closed.
flashes and a
buzzer sounds to indi-
cate that one or more
of the doors is not
fully closed (with the
vehicle having reached
a speed of 5 km/h [3
mph]).
Make sure that all of the
doors are closed.
Indicates that the hood
is not fully closed.
flashes and a
buzzer sounds to indi-
cate that hood is not
fully closed (with the
vehicle having reached
a speed of 5 km/h [3
mph]).
Close the hood.

436
5-2. Steps to take in an emergency
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Indicates that the trunk
is not fully closed.
flashes and a
buzzer sounds to indi-
cate that trunk is not
fully closed (with the
vehicle having reached
a speed of 5 km/h [3
mph]).
Close the trunk.
(Flashing)
(If equipped)
Indicates that the moon
roof is not fully closed
(with the “ENGINE
START STOP” switch
OFF and the driver's
door opened).
Close the moon roof.
Indicates that the park-
ing brake is still
engaged.
flashes and a
buzzer sounds to indi-
cate that the parking
brake is still engaged
(with the vehicle hav-
ing reached a speed of
5 km/h [3 mph]).
Release the parking
brake.
Warning messageDetailsCorrection procedure

5
437
5-2. Steps to take in an emergency
When trouble arises
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(Flashing)
Indicates that the auto-
matic transmission fluid
temperature is too high
P. 1 5 8
Indicates that the
washer fluid level is
low.
Add washer fluid.
Indicates that engine oil
level is low.
Check the level of
engine oil, and add if
necessary.
This message may
appear if the vehicle is
stopped on a slope.
Move the vehicle to a
level surface and
check to see if the
message disappears.
(Flashing)
(If equipped)
Indicates that the pre-
crash safety system is
not currently functional.
• Clean the grille and
the sensor.
• Wait until the pre-
crash safety system
cools down.
Warning messageDetailsCorrection procedure