2008 Lexus IS F Do-It-Yourself Maintenance /

5
When trouble arises
361
5-2. Steps to take in an emergency
Stop the vehicle immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. The following warnings indicate the possibility of damage to
the vehicle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your Lexus dealer.
Wa r n i n g m e s s a g eDetails
(Flashing)
Indicates an abnormal engine oil pressure.
The warning light may turn on if the engine oil pres-
sure is too low.
(Flashing)
Indicates that the engine oi l temperature is too high.
The engine oil temperature gauge display will also
flash. ( P. 1 2 8 )

362
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failing to investigate the cause of the following warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
(Flashing and then
continuously on)
Indicates a malfunction in the tire pressure warning
system. ( P. 2 9 6 )
The tire pressure warning light comes on after blink-
ing for 1 minute.
(Flashing)
Indicates a malfunction in the steering lock system.
(If equipped)
Indicates a malfunction in the pre-collision system.

5
When trouble arises
363
5-2. Steps to take in an emergency
(If equipped)
Indicates an intuitive parking assist malfunction.The malfunctioning assist-sensor is shown flashing on
the display.
(Flashing and then con- tinuously on)
(Flashing)
(If equipped)Indicates a malfunction in the radar cruise control
system.
Wa r n i n g m e s s a g eDetails

364
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of th e following warning may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
Indicates a malfunction in the TRAC, VSC or hill-
start assist control systems.

5
When trouble arises
365
5-2. Steps to take in an emergency
Follow the correction procedures.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. After taking the spec ified steps to correct the suspected
problem, check that the warning message turns off.
Wa r n i n g m e s s a g eDetailsCorrection 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 3 mph [5 km/h]).
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 3 mph [5 km/h]).
Close the hood.

366
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure
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 3 mph [5 km/h]).
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 parking
brake is still engaged.
flashes and a
buzzer sounds to indi-
cate that the parking
brake is still engaged
(with the vehicle having
reached a speed of 3
mph [5 km/h]).
Release the parking
brake.
Indicates that the washer
fluid level is low.Add washer fluid.

5
When trouble arises
367
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure
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 dis-
appears.
(U.S.A. only)
Indicates that the engine
oil is scheduled to be
changed.
Check the engine oil, and
change if necessary.
Comes on approximately
4500 miles (7200 km)
after the engine oil is
changed. (The indicator
will not work properly
unless the oil mainte-
nance data has been
reset.)
(U.S.A. only)
Indicates that the engine
oil should be changed.
Check and change the
engine oil.
Comes on approximately
5000 miles (8000 km)
after the engine oil is
changed (and the oil
maintenance data has
been reset).

368
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates low tire inflation
pressure.Check the tire inflation
pressure, and adjust to the
appropriate level.
(Flashing)
(If equipped)
Indicates that the pre-
collision system is not
currently functional.
Clean the grille and the
sensor. This message appears
when the pre-collision
system is hot. In this case,
wait until the system
cools down.
(If equipped)
Indicates that intuitive
parking assist is dirty or
covered with ice.
Clean the sensor.
(Flashing and then con- tinuously on)
(Flashing)
(If equipped)Indicates that the radar
cruise control sensor is
dirty or covered with ice.
Clean the sensor.