2012 Lexus GX460 Owner's Manual

5
When trouble arises
703
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60J00U)
(Flashes)or
(Flashes)
(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.
(Flashes)
(If equipped)
Indicates a malfunction in the LDA system Stop the vehicle in a safe place. Turn the “ENGINE
START STOP” switch off and then turn it to IGNI-
TION ON mode again to reset the LDA system.
Wa r n i n g m e s s a g eDetails

704
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60J00U)
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 goes 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.
If the vehicle reaches a
speed of 3 mph
(5 km/h),
flashes and a buzzer
sounds to in dicate that
the door(s) are not yet
fully closed.
Make sure that all the
doors are closed.

5
When trouble arises
705
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60J00U)
*: The graphic is shown on the Rear height control air suspension display.
Indicates that the glass
hatch is not fully closed
*
If the vehicle reaches a
speed of 3 mph
(5 km/h),
flashes and a buzzer
sounds to indicate that
the glass hatch is not yet
fully closed.
Close the glass hatch.
(Flashes)
(If equipped)
Indicates that the moon
roof is not fully closed
(with the “ENGINE
START STOP” switch off,
and the driver’s door
open)
Close the moon roof.
Wa r n i n g m e s s a g eDetailsCorrection procedure

706
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60J00U)
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates that the parking
brake is still engagedIf the vehicle reaches a
speed of 3 mph
(5 km/h),
flashes and a buzzer
sounds to in dicate that
the parking brake is still
engaged.
Release the parking
brake.
Indicates that the washer
fluid level is lowAdd washer fluid.
(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.)

5
When trouble arises
707
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60J00U)
(U.S.A. only)
Indicates that the engine
oil and oil filter should be
changedHave the engine oil and oil
filter checked and
changed by your Lexus
dealer.
(Turns on)
(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 iceA buzzer also sounds.
Clean the sensor.
Wa r n i n g m e s s a g eDetailsCorrection procedure

708
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60J00U)
(Flashes)
(If equipped)
Indicates that the radar
cruise control sensor is
dirty or covered with ice A buzzer also sounds.
Clean the sensor.
(Flashes)
(If equipped)
Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance A buzzer also sounds.If the windshield wipers
are on, turn them off or set
them to a mode other than
“AUTO” or high speed
wiper operation.
(Flashes)
(If equipped)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in radar cruise
mode)
Slow the vehicle by apply-
ing the brakes.
Wa r n i n g m e s s a g eDetailsCorrection procedure

5
When trouble arises
709
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60J00U)
(Flashes)
(If equipped)
Indicates that there is a
high possibility of a colli-
sion, or that the pre-crash
brake function is operat-
ing
Slow the vehicle by apply-
ing the brakes.
(If equipped)
Indicates that the LDA is
suspended The camera sensor tem-
perature is higher than
the operation tempera-
ture range.
Reactivate the lane depar-
ture alert system.
(If equipped)
Alerts the driver that the
vehicle may deviate from
its lane (while the LDA
system is operating).The lane markings flash.
Check the road condi-
tions and correct the driv-
ing path appropriately.
Wa r n i n g m e s s a g eDetailsCorrection procedure

710
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60J00U)
Have the malfunction repaired immediately.After taking the specified steps to correct the suspected problem, check
that the warning message and light go off.
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection
procedure
Sounds
once
(Flashes)
The electronic key
is not detected
when an attempt
is made to start
the engine.
Confirm the loca-
tion of the elec-
tronic key.