ECU Lexus GS200t 2016 s Owner's Guide

861-2. Theft deterrent system
GS350_200t_GS F_OM_OM30E87E_(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 IGNITION 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 prev iously registered in the vehicle’s on-
board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help prev ent vehicle theft but does not guarantee
absolute security against all vehicle thefts.

871-2. Theft deterrent system
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GS350_200t_GS F_OM_OM30E87E_(EE)
For safety and security
■Certifications for the engine immobilizer system

891-2. Theft deterrent system
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GS350_200t_GS F_OM_OM30E87E_(EE)
For safety and security

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1-2. Theft deterrent system
GS350_200t_GS F_OM_OM30E87E_(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 unlock-
ing function from both the interior and exterior of the vehicle.
Setting the double locking system
Canceling the double locking system
WA R N I N G
■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.

931-2. Theft deterrent system
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GS350_200t_GS F_OM_OM30E87E_(EE)
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 follow-
ing:
●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

951-2. Theft deterrent system
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GS350_200t_GS F_OM_OM30E87E_(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.
This system is designed to deter and pr event 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. 9 2 )
■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 (if equipped) and tilt sensor (if equipped)
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971-2. Theft deterrent system
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GS350_200t_GS F_OM_OM30E87E_(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 performance.
●To ensure that the sensors operate properly,
do not touch or cover them.
●Do not spray air fresheners or other products
directly into the sensor holes.

1042. Instrument cluster
GS350_200t_GS F_OM_OM30E87E_(EE)
●Drive mode indicators
XGS350/GS200t (except F SPORT models)
XGS350/GS200t (F SPORT models)
*2, 6
(If equipped)
PCS (Pre-Crash Safety
system) warning light
(→ P. 2 9 6 ) *9Security indicator
(→ P. 8 6 , 9 2 )
*7, 8
(If equipped)
BSM (Blind Spot Monitor)
outside rear view mirror
indicators ( →P. 3 6 1 )*10Low outside temperature
indicator ( →P. 1 0 8 , 1 1 3 )
(If equipped)
BSM (Blind Spot Monitor)
indicator ( →P. 3 6 1 )*2Eco Driving Indicator Light
(→ P. 1 0 6 )
*2, 3Brake hold standby
indicator ( →P. 2 5 7 ) Parking brake indicator
(
→ P. 2 5 4 )
*2, 3Brake hold operated
indicator ( →P. 2 5 7 )*2, 9“PASSENGER AIR
BAG” indicator
(→ P. 6 1 )
Eco drive mode indicator
(→ P. 3 5 6 )
(If equipped)
“SPORT” indicator
(→ P. 3 5 6 )
(If equipped)
“SPORT S” indicator
(→ P. 3 5 6 )
(If equipped)
“SPORT S+” indicator
(→ P. 3 5 6 )
(If equipped)
“Customize” indicator
(→ P. 3 5 6 ) Snow mode indicator
(
→ P. 2 4 6 )
Eco drive mode indicator
(→ P. 3 5 6 ) “SPORT S” indicator
(
→ P. 3 5 6 )
“SPORT S+” indicator
( → P. 3 5 6 ) “CUSTOMIZE” indicator
(
→ P. 3 5 6 )
Snow mode indicator
( → P. 2 4 6 )

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3-2. Opening, closing and locking the doors and trunk
Operation of each component
GS350_200t_GS F_OM_OM30E87E_(EE)
Doors
◆Smart entry & start system (vehicles with entry function)
Carry the electronic key to enable this function.
Grip the handle to unlock the
doors.
Make sure to touch the sensor on the
back of the handle.
The doors cannot be unlocked for 3
seconds after the doors are locked.
Touch the lock sensor (the inden-
tation on the upper part of the
door handle) to lock the doors.
Check that the door is securely locked.
◆Wireless remote control
Locks all the doors
Check that the door is securely
locked.
Press and hold to close the windows
and moon roof. (If equipped)
*
Unlocks all the doors
Press and hold to open the windows
and moon roof. (If equipped)
*
*
: These settings must be customized at any authorized Lexus dealer or repairer, or another duly qualified and equipped professional.
Unlocking and locking the doors from the outside
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1603-2. Opening, closing and locking the doors and trunk
GS350_200t_GS F_OM_OM30E87E_(EE)
■Operation signals
The emergency flashers flash to indicate that the doors have been locked/unlocked.
(Locked: once; Unlocked: twice)
■Security feature
If a door is not opened within approximately 30 seconds after the vehicle is unlocked, the
security feature automatically locks the vehicle again.
■Welcome light illumination control
The front position, tail and license plate lights automatically turn on at night when the
doors are unlocked using the entry function or wireless remote control if the light switch
is in the “AUTO” position.
■When the door cannot be locked by the lock sensor on the upper part of the door han-
dle (vehicles with entry function)
■Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the door to stop the buzzer, and lock the vehicle
once more.
■Setting the alarm
Locking the doors will set the alarm system. ( →P. 9 2 )
■If the smart entry & start system or wireless remote control does not operate properly
●Use the mechanical key to lock and unlock the doors. ( →P. 5 8 8 )
●Replace the key battery with a new one if it is depleted. ( →P. 4 8 5 )
If the door will not lock even when the topside
sensor area is touched, try touching both the
topside and underside sensor areas at the same
time.