2010 Lexus HS250h display

5
When trouble arises
501
5-2. Steps to take in an emergency
If a warning message is displayed
Stop the vehicle immediately.
A buzzer sounds and a warning message is shown on the multi-informa -
tion display. The following warning ind icates the pos
sibility of damage to
the vehicle that may lead to an acci dent. 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
Indicates abnormal engine oil pressure
A buzzer also sounds.
The warning message is displayed if the engine oil
pressure is too low.
Indicates a malfunction in the hybrid systemA buzzer also sounds.
If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur -
rently being displayed on the
multi-information display
.
Multi-information display
If any of the warning light comes on again af
ter the following actions
have been performed, contact your Lexus dealer.

502
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and a warning messa ge is shown on the multi-informa-
tion display. Failure to investigate the cause of the follo
wing 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
Indicates a malfunction in the P position control
A buzzer also sounds.
In this situation, there is a possibility that the parking
lock mechanism will not work. 
When parking, park the vehicle on a flat surface and
apply the parking brake securely. Also, it may not be
possible to turn the “POWER ” switch off. If this hap-
pens, applying the parking brake will enable the
switch to be turned off.
(Flashes)
(If equipped)
Indicates a malfunction in the LED headlight system A buzzer also sounds.
(Flashes)
(If equipped)
Indicates a malfunction in the pre-collision system A buzzer also sounds.

5
When trouble arises
505
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 corr
ect 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 with the
“POWER” switch ON
mode
The system also indi-
cates which doors are
not fully closed.
If the vehicle reaches a
speed of 3 mph 
(5 km/h), 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 with the
“POWER” switch ON
mode
Close the hood.
Indicates that the trunk is
not fully closed with the
“POWER” switch ON
mode
Close the trunk.

508
5-2. Steps to take in an emergency
(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.• Switch driving mode to normal.
•Stop the wiper or change the mode to
auto, low or intermittent.
(Flashes)
(If equipped)
Alerts the driver that
there is a high possibility
of collision or the pre-col-
lision brake has activated A buzzer also sounds.
At the same time,
will appear on
the head-up display too
(the image flashes).
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
509
5-2. Steps to take in an emergency
(Flashes)
(If equipped)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in radar cruise
mode) A buzzer also sounds.
At the same time,
will appear on
the head-up display (the
image flashes).
Slow the vehicle by apply-
ing the brakes.
(Flashes)
(If equipped)
Indicates a malfunction in
the LKA system A buzzer also sounds.Restart the hybrid system
and then reactivate the
lane keeping assist system.
Indicates that the LKA is
suspendedA buzzer also sounds.
• The camera sensor temperature is higher
than the operation tem-
perature range.
• The power steering system operation is
restricted.
Reactivate the lane keep-
ing assist system.
Wa r n i n g m e s s a g eDetailsCorrection procedure

510
5-2. Steps to take in an emergency
Alerts the driver that the
vehicle is out of the lanes
(while the LKA system is
operating).A buzzer also sounds.
The lane markings and/
or the steering wheel
marking flash.
At the same time,
will appear on
the head-up display (the
image flashes).
Check the road condi-
tions and drive the vehicle
at a safe speed.
Indicates that the hybrid
system has overheated A buzzer also sounds.Stop and check.
( P. 5 4 1 )
(Flashes)
Indicates that the traction
battery is low
The warning buzzer
sounds intermittently.
When stopping the vehi-
cle for a long period of
time, change the shift
position to P. The battery
cannot be charged with
the shift position in N.
(Flashes)
Indicates that the traction
battery power has
dropped because a long
period of time has
elapsed after changing
the shift position to NThe warning buzzer
sounds continuously.
Restart the hybrid system
when starting the vehicle.
Wa r n i n g m e s s a g eDetailsCorrection procedure

514
5-2. Steps to take in an emergency
OnceCon-
tinuous
(Displayed alternately)(Flashes)
An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors
without first turn-
ing the “POWER”
switch off.
Tu r n t h e
“POWER” switch
off and lock the
doors again.
Once
(Flashes)
An attempt was
made to start the
hybrid system
without the elec-
tronic key being
present, or the
electronic key was
not functioning
normally.
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-
tinuous
(Flashes)
The driver’s door
was opened while
any shift position
other than P was
selected without
turning off the
“POWER” switch.
Change the shift
position to P.
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
515
5-2. Steps to take in an emergency
Con-
tinuousCon-
tinuous
(Displayed alternately)(Flashes)
The electronic key
was carried out-
side the vehicle
and the driver’s
door was opened
and closed while
any shift position
other than P was
selected without
turning off the
“POWER” switch.
• Change the shift position to P.
• Bring the elec- tronic key back
into the vehicle.
OnceCon-
tinuous
(Flashes)
An attempt was
made to lock the
doors using the
smart access sys-
tem with push-
button start while
the electronic key
was still inside the
vehicle.
Retrieve the elec-
tronic key from
the vehicle and
lock the doors
again.
Interior buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure