Page 784 of 914
7637-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)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 goes off.
Follow the correction procedures.
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 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.
Page 789 of 914
7687-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
(If equipped)
Alerts the driver that
the vehicle is out of the
lanes (while the LKA
[Lane-Keeping Assist]
system is operating)
The warning buzzer
sounds continuously.
The lane markings
and/or the steering
wheel marking flash.
At the same time,
will appear
on the head-up dis-
play (part of the
image flashes).
Check around the vehi-
cle and back to inside
of the lane markings.
(If equipped)
Indicates that the LKA
(Lane-Keeping Assist)
system detects no-
handed driving (while
the lane keeping assist
function is operating)
The warning buzzer
sounds twice.
Grip the steering wheel
firmly.
(If equipped)
Indicates that the Blind
Spot Monitor sensors
or the surrounding area
on the bumper is dirty
or covered with ice
Clean the sensor and its
surrounding area on the
bumper.
Wa r n i n g m e s s a g eDetailsCorrection procedure
Page 791 of 914
7707-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if
vehicle-to-vehicle distance decreases:
When your vehicle and the vehicle ahead are traveling at the same speed or
the vehicle ahead is traveling more quickly than your vehicle
When the vehicle ahead is traveling at a very low speed
Immediately after cruise control speed is set
At the instant the accelerator pedal is depressed
The LKA (Lane-Keeping Assist) lane departure warning function
In the following cases, the warning message will not be displayed even if a
lane line is crossed.
When the vehicle speed deviates from the operating range of the LKA sys-
tem functions
When the lane lines cannot be recognized
When the steering wheel is turned as far as necessary to cause the vehicle to
change lanes
Page 792 of 914
7717-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)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 goes off.
Follow the correction procedures.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(If equipped)
Indicates that the Auto-
matic High Beam
switch is pressed while
the headlights are in
low beam.Turn the high beam on
and press the Auto-
matic High Beam
switch again.
Indicates that the
washer fluid level is
low
Add washer fluid.
(If equipped)
Indicates that the fuel
injectors require main-
tenance
Have any authorized
Lexus dealer or
repairer, or another
duly qualified and
equipped professional
replenish the injector
cleaner and reset the
message.
Page 793 of 914
7727-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
Wa r n i n g m e s s a g eDetailsCorrection procedure
(If equipped)
Indicates that the tire
inflation pressure is
lowCheck the tire inflation
pressure, and adjust to
the appropriate level.
(If equipped)
Indicates a malfunc-
tion in the tire pressure
warning system
Stop the vehicle in a
safe place and turn the
engine switch off then
on again.
If the tire pressure
warning indicator
flashes for 1 minute
then illuminates,
there is a malfunction
in the system. Have
the vehicle inspected
by any authorized
Lexus dealer or
repairer, or another
duly qualified and
equipped profes-
sional.
Page 795 of 914
7747-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)After taking the specified steps to correct the suspected problem,
check that the warning message and light go off.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(If equipped)
Indicates that the pre-
crash safety system is
not currently functional
because the grille cover
or the sensor is dirty
This message also
appears when the
pre-crash safety sys-
tem is not functional
due to overheating.Check the grille cover
and the sensor and
clean them if they are
dirty.
In case of overheat-
ing, the system will
become functional
once the system
cools down.
Have the malfunction repaired immediately.
(Flashes)
Inte-
rior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Once
The electronic
key is not
detected when an
attempt is made to
start the engine.Start the
engine
with the
electronic
key pres-
ent.
(Flashes)
Page 796 of 914
7757-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
Inte-
rior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Once3
times
The electronic
key was carried
outside the vehi-
cle and a door
other than the
driver’s door was
opened and
closed while the
engine switch was
in a mode other
than off.
Bring the
electronic
key back
into the
vehicle.
The driver’s door
was opened and
closed while the
electronic key
was not in the
vehicle, the shift
lever was in P and
the engine switch
was not turned
off.
Turn the
engine
switch off
or bring
the elec-
tronic key
back into
the vehicle.(Flashes)
Page 797 of 914
7767-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
Inte-
rior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Once
Con-
tinu-
ous
An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors
without first turn-
ing the engine
switch off when
the shift lever was
in P.
Turn the
engine
switch off
and lock
the doors
again.
9
times
An attempt was
made to drive
when the regular
key was not
inside the vehicle.Confirm
that the
electronic
key is
inside the
vehicle.
Con-
tinu-
ous
The driver’s door
was opened when
the shift lever was
not in P and the
engine switch was
not turned off.
Shift the
shift lever
to P.
(Displayed alternately)
(Flashes)
(Flashes)
(Flashes)