ECU Lexus GS250 2014 Owner's Guide
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771-1. For safe use
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For safety and security
GS350_250_OM_OM30E16E_(EE)
CAUTION
■When installing a child restraint system
●Never use a rear-facing child restraint sys-
tem on the front passenger seat when the
airbag manual on-off switch is on.
(→ P. 5 6 )
The force of the rapid inflation of the front
passenger airbag can cause death or seri-
ous injury to children in the event of an
accident.
●There is a label(s) on the passenger side
sun visor, indicating it is forbidden to attach
a rear-facing child restraint system to the
front passenger seat.
Details of the label(s) are shown in the illus-
tration below.
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781-1. For safe use
GS350_250_OM_OM30E16E_(EE)
CAUTION
■When installing a child restraint system
●If child restraint system regulations exist in the country where you reside, please
contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional for the child restraint system installation.
●When a junior seat is installed, always ensure that the shoulder belt is positioned
across the center of the child’s shoulder. The belt should be kept away from the
child’s neck, but not so that it could fall off the child’s shoulder. Failing to do so may
result in death or serious injury in the event of sudden braking, sudden swerving
or an accident.
●Ensure that the belt and plate are securely locked and the seat belt is not twisted.
●Shake the child restraint system left and right, and forward and backward to
ensure that it has been securely installed.
●After securing a child restraint system, never adjust the seat.
●Follow all installation instructions provided by the child restraint system manufac-
turer.
■To correctly attach a child restraint system to the anchors
When using the lower anchors, be sure that there are no foreign objects around
the anchors and that the seat belt is not caught behind the child restraint system.
Make sure the child restraint system is securely attached, or it may cause death or
serious injury to the child or other passengers in the event of sudden braking, sud-
den swerving or an accident.
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791-1. For safe use
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GS350_250_OM_OM30E16E_(EE)
For safety and security
Exhaust gas precautions
Harmful substance to the human body is included in exhaust gases if
inhaled.
CAUTION
Exhaust gases include harmful carbon monoxide (CO), which is colorless and odor-
less. Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to an acci-
dent caused by light-headedness, or may lead to death or a serious health hazard.
■Important points while driving
●Keep the trunk lid closed.
●If you smell exhaust gases in the vehicle even when the trunk lid is closed, open
the windows and have the vehicle inspected at any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional as soon as possible.
■When parking
●If the vehicle is in a poorly ventilated area or a closed area, such as a garage, stop
the engine.
●Do not leave the vehicle with the engine running for a long time.
If such a situation cannot be avoided, park the vehicle in an open space and
ensure that exhaust fumes do not enter the vehicle interior.
●Do not leave the engine running in an area with snow build-up, or where it is
snowing. If snowbanks build up around the vehicle while the engine is running,
exhaust gases may collect and enter the vehicle.
■Exhaust pipe
The exhaust system needs to be checked periodically. If there is a hole or crack
caused by corrosion, damage to a joint or abnormal exhaust noise, be sure to have
the vehicle inspected and repaired by any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
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801-2. Theft deterrent system
GS350_250_OM_OM30E16E_(EE)
Engine immobilizer system
The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing
after the engine switch has been
turned to ACCESSORY or IGNI-
TION ON mode to indicate that the
system has been canceled.
■System maintenance
The vehicle has a maintenance-free type engine immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
●If the key is in close proximity to or touching a key to the security system (key with a
built-in transponder chip) of another vehicle
The vehicle’s keys have built-in transponder chips that prevent the
engine from starting if a key has not been previously registered in the
vehicle’s on-board computer.
Never leave the keys inside the ve hicle when you leave the vehicle.
This system is designed to help prevent vehicle theft but does not guar-
antee absolute security against all vehicle thefts.
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811-2. Theft deterrent system
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GS350_250_OM_OM30E16E_(EE)
For safety and security
■Certifications for the engine immobilizer system
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831-2. Theft deterrent system
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GS350_250_OM_OM30E16E_(EE)
For safety and security
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1-2. Theft deterrent system
GS350_250_OM_OM30E16E_(EE)
For safety and security
Double locking system
Vehicles employing this system have
labels on the window glass of both
front doors.
Turn the engine switch off, have all the passengers exit the vehicle and
ensure that all the doors are closed.
Using the entry function:
Touch the sensor area on the outside door handle twice within 5 seconds.
Using the wireless remote control:
Press twice within 5 seconds.
Using the entry function: Hold the outside door handle.
Using the wireless remote control: Press .
Unauthorized access to the vehicle is
prevented by disabling the door
unlocking function from both the in terior and exterior of the vehicle.
Setting the double locking system
Canceling the double locking system
CAUTION
■Double locking system precaution
Never activate the double locking system when there are people in the vehicle
because all the doors cannot be opened from inside the vehicle.
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871-2. Theft deterrent system
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For safety and security
Do one of the following to deactivate or stop the alarm:
●Unlock the doors or open the trunk using the entry function or wireless
remote control.
●Turn the engine switch to ACCESSORY or IGNITION ON mode, or
start the engine. (The alarm will be deactivated or stopped after a few
seconds.)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the fol-
lowing:
●Nobody is in the vehicle.
●The windows and moon roof (if equipped) are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
Deactivating or stopping the alarm
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891-2. Theft deterrent system
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GS350_250_OM_OM30E16E_(EE)
For safety and security
●The intrusion sensor detects intruders or movement in the vehicle.
●The tilt sensor detects changes in vehicle inclination, such as when the
vehicle is towed away. (if equipped)
This system is designed to deter and prevent vehicle theft but does not
guarantee absolute security against all intrusions.
■Setting the intrusion sensor and tilt sensor
The intrusion sensor and tilt sensor will be set automatically when the
alarm is set. ( →P. 8 6 )
■Canceling the intrusion sensor and tilt sensor
If you are leaving pets or other moving things inside the vehicle, make
sure to stop the intrusion sensor and tilt sensor before setting the alarm,
as they will respond to movement inside the vehicle.
Turn the engine switch off.
Press the intrusion sensor and
tilt sensor cancel switch.
A message will be shown on the
multi-information display in the
instrument cluster.
Press the switch again to re-enable
the intrusion sensor and tilt sensor.
Intrusion sensor and tilt sensor
1
2
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911-2. Theft deterrent system
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GS350_250_OM_OM30E16E_(EE)
For safety and security
■Tilt sensor detection considerations (if equipped)
The sensor may trigger the alarm in the following situations:
●The vehicle is transported by a ferry, trailer, train, etc.
●The vehicle is parked in a parking garage.
●The vehicle is inside a car wash that moves the vehicle.
●Any of the tires loses air pressure.
●The vehicle is jacked up.
●An earthquake occurs or the road caves in.
NOTICE
■To ensure the intrusion sensor function correctly
●Installing accessories other than genuine Lexus parts or leaving objects between
the driver’s seat and front passenger’s seat may reduce the detection perfor-
mance.
●To ensure that the sensors operate prop-
erly, do not touch or cover them.
●Do not spray air fresheners or other prod-
ucts directly into the sensor holes.
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