2012 Lexus GS250 belt

7507-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)The following warning indicates the possibility of damage to the
vehicle that may lead to an accident. Immediately stop the vehicle
in a safe place and contact any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
Failure 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 any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional imme-
diately.
Stop the vehicle immediately.
Wa r n i n g
lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.
Wa r n i n g
lightWarning light/Details
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system
ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system

7527-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)After taking the specified steps to correct the suspected problem,
check that the warning light goes off.
Follow the correction procedures.
Wa r n i n g
lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door or the
trunk is not fully closed
Check that all the doors and
the trunk are closed.
Low fuel level warning light
Indicates remaining fuel is
approximately 10.5 L (2.8
gal., 2.3 Imp.gal.) or less
Refuel the vehicle.
Seat belt reminder light
(warning buzzer)
*2
Warns the driver and/or
front passenger to fasten
their seat belts
Fasten the seat belt.
If the front passenger’s
seat is occupied, the front
passenger’s seat belt also
needs to be fastened to
make the warning light
(warning buzzer) off.
Master warning light
A buzzer sounds and the
warning light comes on
and flashes to indicate that
the master warning sys-
tem has detected a mal-
function.
P. 7 5 7

7537-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
*1: Open door warning buzzer:
P. 7 6 3
*2: Driver’s and front passenger’s seat belt buzzer:
The driver’s and front passenger’s seat belt buzzer sounds to alert the
driver and front passenger that his or her seat belt is not fastened. The
buzzer sounds intermittently for 30 seconds after the vehicle reaches a
speed of 20 km/h (12 mph). Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for 90 more seconds.
Tire pressure warning light
When the light comes on:
Low tire inflation pressure
such as
• Natural causes (P.
754)
• Flat tire (P. 783, 798)
Adjust the tire inflation pres-
sure (including the full-size
spare tire) to the specified
level.
The light will turn off after
a few minutes. In case the
light does not turn off even
if the tire inflation pressure
is adjusted, have the sys-
tem checked by any autho-
rized Lexus dealer or
repairer, or another duly
qualified and equipped
professional.
When the light comes on
after blinking for 1 minute:
Malfunction in the tire pres-
sure warning systemHave the system checked by
any authorized Lexus dealer
or repairer, or another duly
qualified and equipped pro-
fessional.
Wa r n i n g
lightWarning light/DetailsCorrection procedure

7547-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
Front passenger detection sensor, seat belt reminder and warning buzzer
If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
If a cushion is placed on the seat, the sensor may not detect a passenger, and
the warning light may not operate properly.
If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes com-
pletely empty. If the fuel tank is empty, refuel the vehicle immediately. The
malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional
as soon as possible.
When the tire pressure warning light comes on
Carry out the following procedure after the tire temperature has lowered suf-
ficiently.
Check the tire inflation pressure and adjust to the appropriate level.
If the warning light does not go out even after several minutes, check that
the tire inflation pressure is at the specified level and carry out initialization.
The warning light may come on again if the above operations are conducted
without first allowing the tire temperature to lower sufficiently.
The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as
natural air leaks and tire inflation pressure changes caused by temperature. In
this case, adjusting the tire inflation pressure will turn off the warning light
(after a few minutes).

7617-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
(If equipped)
Indicates a malfunction in the adaptive front-
lighting system
Indicates a malfunction in:
• The SRS airbag system; or,
• The seat belt pretensioner system
(If equipped)
Indicates a malfunction in the Automatic High
Beam system
Indicates a malfunction in:
•The ABS; or,
• The brake assist system
Indicates a malfunction in the parking brake sys-
tem
Wa r n i n g m e s s a g eDetails
(Flashes)

829
7 7-2. Steps to take in an emergency
When trouble arises
GS350/250_EE (OM30C36E)
NOTICE
When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fans or engine drive belt.

8388-1. Specifications
GS350/250_EE (OM30C36E)
Engine
GS250GS350
Model4GR-FSE2GR-FSE
Ty p e6-cylinder V type, 4-cycle, gasoline
Bore and stroke83.0  77.0 mm
(3.27  3.03 in.)94.0  83.0 mm
(3.70  3.27 in.)
Displacement2500 cm3 (152.6
cu.in.)3456 cm3 (210.9
cu.in.)
Valve clearance
(engine cold)Automatic adjustment
Drive belt tensionAutomatic adjustment
Fuel
Fuel type
EU area:
Unleaded gasoline conforming to European
standard EN228 only
Except EU area:
Premium unleaded gasoline only
Research Octane Num-
ber95 or higher
Fuel tank capacity
(Reference)66 L (17.4 gal., 14.5 Imp.gal.)

872What to do if... (Troubleshooting)
GS350/250_EE (OM30C36E)
The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat
belts?
(P. 752)
The parking brake indicator is on
Is the parking brake released? (P. 225)
Depending on the situation, other types of warning buzzer
may also sound. (P. 749, 757)

Did anyone inside the vehicle open a door or anything
move inside the vehicle during setting the alarm?
The sensor detects them and the alarm sounds. (P. 86)
To stop the alarm, turn the engine switch to IGNITION ON
mode or start the engine. A warning buzzer sounds during driving
An alarm is activated and the horn sounds (if equipped)