2011 Lexus IS F system

5
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.

434
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

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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.

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437
5-2. Steps to take in an emergency
When trouble arises
IS F_EE
(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

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5-2. Steps to take in an emergency
IS F_EE
(If equipped)
Indicates that Lexus
parking assist-sensor is
dirty or covered with
ice.
Clean the sensor.
(Flashing and then
continuously on)
(Flashing)
(If equipped)Indicates that the radar
cruise control sensor is
dirty or covered with
ice.
Clean the sensor.
(Flashing and then
continuously on)
(Flashing)
(If equipped)Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance.
• Switch the driving
mode to either the
Normal or “Sport”
mode.
• If the windshield wip-
ers are on, turn them
off or set them to
either the intermittent
or the slow mode.
Warning messageDetailsCorrection procedure

452
5-2. Steps to take in an emergency
IS F_EE
CAUTION
When using the compact spare tire
Remember that your spare tire is specifically designed for use with your
vehicle. Do not use your spare tire on another vehicle.
Do not use more than one spare tire simultaneously.
Do not use the compact spare tire as a rear tire. If you have a flat rear tire,
replace a front tire with the compact spare tire first and then replace the
flat rear tire with the tire removed from the front.
Replace the spare tire with a standard tire as soon as possible.
Avoid sudden acceleration, deceleration and braking, as well as sharp cor-
nering.
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. Failing to
observe this precaution may lead to an accident causing death or serious
injury.
When the spare tire is installed
The vehicle speed may not be correctly detected, and the following systems
may not operate correctly:
ABS & brake assist
VSC
TRC
VDIM
Navigation system (if equipped)
Lexus parking assist-sensor (if equipped)
Dynamic radar cruise control (if equipped)
Cruise control (if equipped)
PCS (if equipped)
LSD
Automatic headlight leveling system

454
5-2. Steps to take in an emergency
IS F_EE
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (P. 146), consider each of the following points.
The engine will not start even when the starter motor operates
normally.
One of the following may be the cause of the problem.
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
The engine may be flooded.
Try to restart the engine once more following correct start-
ing procedures. (P. 146)
The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at a
low volume.
One of the following may be the cause of the problem.
The battery may be discharged. (P. 462)
The battery terminal connections may be loose or corroded.
The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem.
One or both of the battery terminals may be disconnected.
The battery may be discharged. (P. 462)
There may be a malfunction in the engine immobilizer sys-
tem. (P. 92)
There may be a malfunction in the steering lock system.
Contact any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional, if the problem can-
not be repaired, or if repair procedures are unknown.

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5-2. Steps to take in an emergency
When trouble arises
IS F_EE
Emergency start function
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START
STOP” switch is functioning normally:
Set the parking brake.
Put the shift lever in P.
Set the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for
about 15 seconds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the vehicle checked by any autho-
rized Lexus dealer or repairer, or another duly qualified and
equipped professional.
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