check engine Lexus GS250 2014 Service Manual

5627-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
Indicates that engine oil
level is lowCheck the level of engine
oil, and add if necessary.
(If equipped)
Indicates that Lexus park-
ing assist-sensor is dirty
or covered with ice
Clean the sensor.
(If equipped)
Indicates that the radar
sensor is dirty or covered
with ice
Clean the sensor.
(If equipped)
Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance
•Turn off the snowmode.
• If the windshield wip- ers are on, turn them
off or set them to a
mode other than
AUTO or high speed
wiper operation.
Wa r n i n g m e s s a g eDetailsCorrection procedure
GS350_250_OM_OM30E16E_(EE).book Page 562 Tuesday, July 8, 201 4 7:11 PM

5687-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
Wa r n i n g m e s s a g eDetailsCorrection procedure
(If equipped)
Indicates a malfunction 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 vehi-
cle inspected by any
authorized Lexus
dealer or repairer, or
another duly qualified
and equipped profes-
sional.
(If equipped)
Indicates that the tire
position information can-
not be recognized
Drive for a short while
and check if the display
updates.If the radio wave condi-
tions improve, the dis-
play may return to
normal. If the tire pres-
sure is still not dis-
played after driving for
several minutes, stop
the vehicle in a safe
place, turn the engine
switch off then on
again, and start driving.
If the tire pressure is still
not displayed even
after repeating this sev-
eral times, have the
vehicle inspected by
any authorized Lexus
dealer or repairer, or
another duly qualified
and equipped profes-
sional.
GS350_250_OM_OM30E16E_(EE).book Page 568 Tuesday, July 8, 201 4 7:11 PM

5707-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
After taking the specified steps to correct the suspected problem, check
that the warning message and light go off.
Have the malfunction repaired immediately.
Interior buzzerExterior
buzzerWa r n i n g m e s s a g eDetailsCorrection procedure
Once
The electronic key
is not detected
when an attempt is
made to start the
engine.Start the
engine with
the elec-
tronic key
present.
Once3
times
The electronic key
was carried out-
side the vehicle 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.Tu r n t h e
engine
switch off or
bring the
electronic
key back
into the
vehicle.
(Flashes)
(Flashes)
GS350_250_OM_OM30E16E_(EE).book Page 570 Tuesday, July 8, 201 4 7:11 PM

6017-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
Attach the 2 stickers as shown.
Remove any dirt and moisture from
the wheel before attaching the sticker.
If you are unable to apply the stickers,
inform the nearest any authorized
Lexus dealer or repairer, or another
duly qualified and equipped profes-
sional that sealant has been applied to
the puncture when having the tire
repaired or replaced.
Check the specified tire inflation pressure.
Tire inflation pressure is specified on
the label as shown. (→P. 6 4 5 )
Start the engine. ( →P. 2 3 7 )
8
9
10
GS350_250_OM_OM30E16E_(EE).book Page 601 Tuesday, July 8, 201 4 7:11 PM

615
7
7-2. Steps to take in an emergency
When trouble arises
GS350_250_OM_OM30E16E_(EE)
If the parking brake cannot be released
●Shift the shift lever to P.
●Turn the engine switch off.
●Check that the parking brake indicator is off.
●Chock the tires.
In the event that the battery is discha
rged or switch operation does not
release the parking brake, the parking brake can be released manually
using the procedure below. This procedure should be performed only if
necessary, such as in an emergency.
If the switch cannot be operated even when the battery is normal, the
parking brake system may be ma lfunctioning. Have the vehicle
inspected by any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional immediately.
Before releasing the parking brake manually
GS350_250_OM_OM30E16E_(EE).book Page 615 Tuesday, July 8, 201 4 7:11 PM

6177-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
■Manual operation of the parking brake
The parking brake cannot be set manually.
CAUTION
■When releasing the parking brake manually
●Shift the shift lever to P, turn the engine switch off and chock the tires. Failure to
do so may cause the vehicle to move, resulting in an accident.
●Turn the engine switch off and check that the parking brake indicator is off. Failure
to do so may cause the system to operate and turn the inserted parking brake
release tool, resulting in an injury.
GS350_250_OM_OM30E16E_(EE).book Page 617 Tuesday, July 8, 201 4 7:11 PM

6197-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
■Tr u n k
Turn the mechanical key clock-
wise to open.
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of
the electronic key to the engine
switch.
The engine switch will turn to IGNI-
TION ON mode.
When the smart entry & start system
is deactivated in customization setting,
the engine switch will turn to ACCES-
SORY mode.
Firmly depress the brake pedal and check that is shown on the
multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional.
Starting the engine
1
2
3
4
GS350_250_OM_OM30E16E_(EE).book Page 619 Tuesday, July 8, 201 4 7:11 PM

6207-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when stop-
ping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted. (→P. 4 8 9 )
■Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set, the
alarm may be triggered.
■Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is
pressed.( →P. 2 3 8 )
■When the electronic key does not work properly
●Make sure that the smart entry & start system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on.
(Customizable features: →P. 6 5 0 )
●Check if battery-saving mode is set. If it is set, cancel the function. ( →P. 1 3 3 )
CAUTION
■When using the mechanical key and operating the power windows and moon
roof
Operate the power window or moon roof after checking to make sure that there is
no possibility of any passenger having any of their body parts caught in the window
or moon roof.
Also, do not allow children to operate the mechanical key. It is possible for children
and other passengers to get caught in power window and moon roof.
3
GS350_250_OM_OM30E16E_(EE).book Page 620 Tuesday, July 8, 201 4 7:11 PM

6267-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
The coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir.Reservoir“FULL”
“LOW”
Coolant inlet cap
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
Start the engine and turn the air co nditioning system on to check that
the radiator cooling fans operate and to check for coolant leaks from
the radiator or hoses.
The fans operate when the air conditioning system is turned on immediately after
a cold start. Confirm that the fans are operating by checking the fan sound and air
flow. If it is difficult to check these, turn the air conditioning system on and off
repeatedly. (The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact any authorized Lexus dealer
or repairer, or another duly qualified and equipped professional.
If the fans are operating:
Have the vehicle inspected at the nearest any authorized Lexus dealer
or repairer, or another duly qualified and equipped professional.
4
1
2
3
4
5
6
7
GS350_250_OM_OM30E16E_(EE).book Page 626 Tuesday, July 8, 201 4 7:11 PM

635
8
8-1. Specifications
Vehicle specifications
GS350_250_OM_OM30E16E_(EE)
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up and turn off the engine, wait more than 5 minutes, and check
the oil level on the dipstick.
■Engine oil selection (GS250)
XEU area, Nordic countries, Russia, Ukraine, Macedonia, Israel
“Toyota Genuine Motor Oil” is used in your Lexus vehicle. Lexus rec-
ommends the use of approved “Toyota Genuine Motor Oil”. Another
motor oil of matching quality can also be used.
Oil grade:
0W-20, 5W-20, 5W-30 and 10W-30:
API grade SL “Energy-Conserving”, SM “Energy-Conserving” or SN
“Resource-Conserving”; or ILSAC multigrade engine oil
15W-40 and 20W-50:
API grade SL, SM or SN multigrade engine oil
Lubrication system
GS250GS350
Oil capacity
(Drain and refill  reference
*)
With filter6.2 L
(6.6 qt., 5.5 Imp.qt.)6.4 L
(6.8 qt., 5.6 Imp.qt.)
Without filter5.9 L
(6.2 qt., 5.2 Imp.qt.)6.0 L
(6.3 qt., 5.3 Imp.qt.)
GS350_250_OM_OM30E16E_(EE).book Page 635 Tuesday, July 8, 201 4 7:11 PM