key Lexus GS200t 2017 User Guide

721-1. For safe use
GS350_200t_GS F_OM_OM30F83E_(EE)
GS F
Key of letters inserted in the above table:
IUF: Suitable for ISOFIX forward-facing child restraint systems of un iversal cat-
egory approved for use in this mass group.
IL: Suitable for child restraint systems sh own in the ISOFIX child restraint sys-
tem list.
Mass groupsSize classFixture
Vehicle ISOFIX positions
Outboard rear seat
Carrycot
FISO/L1X
GISO/L2X
0
Up to 10 kg (22 lb.)
(0 - 9 months)EISO/R1IL
0+
Up to 13 kg (28 lb.)
(0 - 2 years)
EISO/R1IL
DISO/R2IL
CISO/R3X
I
9 to 18 kg
(20 to 39 lb.)
(9 months - 4 years)
DISO/R2X
CISO/R3X
BISO/F2IUF *, IL *
B1ISO/F2XIUF *, IL *
AISO/F3IUF *, IL *

861-2. Theft deterrent system
GS350_200t_GS F_OM_OM30F83E_(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 tran sponder 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.

921-2. Theft deterrent system
GS350_200t_GS F_OM_OM30F83E_(EE)
Alarm
The alarm uses light and sound to give an
alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set: ● A locked door is unlocked or opened in any way other than using the entry
function or wireless remote control. (The door will lock again automatically.)
● A trunk is opened in any way other than using the entry function, wireless
remote control or mechanical key.
● The hood is opened.
● The tilt sensor detects a change of vehicle inclination. (If equipped)
Close the doors, trunk and hood, and
lock all the doors using the entry func-
tion or wireless remote control. The
system will be set automatically after
30 seconds. The indicator light changes from being
on to flashing when the system is set.
: If equipped
The alarm
Setting the alarm system

941-2. Theft deterrent system
GS350_200t_GS F_OM_OM30F83E_(EE)
■Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
In the following cases, the door may automatically lock:
●When a person remain ing in the vehicle unlocks the d oor and the alarm is activated.
●While the alarm is activated, a person re maining in the vehicle unlocks the door.
●When recharging or replacing the battery.
■Customization
The alarm can be set to deactivate when the mechanical key is used to unlock.
(Customizable features: P. 634)
●The doors are unlocked using the mechanical
key, or the trunk is opened using the mechani-
cal key.
●A person inside the vehicle opens a door, the
trunk or hood, or unlocks the vehicle using an
inside lock button.
●The battery is recharged or replaced when the
vehicle is locked. ( P. 600)
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation of
the system cannot be guaranteed.

961-2. Theft deterrent system
GS350_200t_GS F_OM_OM30F83E_(EE)
■Canceling and automatic re-enabling of the intrusion sensor and tilt sensor
●The alarm will still be set even when the intrusion sensor and tilt sensor are canceled.
●After the intrusion sensor and tilt sensor are canceled, pressing the engine switch or
unlocking the doors using the entry function, wireless remote control or mechanical
key will re-enable the intrusio n sensor and tilt sensor.
●The intrusion sensor and tilt sensor will automatically be re-enabled when the alarm
system is deactivated.
■Intrusion sensor detection considerations (if equipped)
The sensor may trigger the alarm in the following situations:

153
3
Operation of
each component
GS350_200t_GS F_OM_OM30F83E_(EE)
3-1. Key information Keys .................................................. 154
3-2. Opening, closing and locking the doors and trunk
Doors ............................................... 159
Trunk .................................................166
Smart entry & start system .......173
3-3. Adjusting the seats Front seats...................................... 196
Driving position memory ......... 199
Head restraints ........................... 204
3-4. Adjusting the steering wheel and mirrors
Steering wheel ............................ 207
Inside rear view mirror ............209
Outside rear view mirrors......... 211
3-5. Opening, closing the windows and moon roof
Power windows ............................214
Moon roof ....................................... 217

1543-1. Key information
GS350_200t_GS F_OM_OM30F83E_(EE)
Keys
The following keys are provided with the vehicle.Electronic keys

155
3-1. Key information
3
Operation of each component
GS350_200t_GS F_OM_OM30F83E_(EE)
To take out the mechanical key, push
the release button and take the key out.
The mechanical key can only be
inserted in one direction, as the key only
has grooves on one si de. If the key can-
not be inserted in a lock cylinder, turn it
over and re-attempt to insert it.
After using the mechanical key, store it
in the electronic key. Carry the mechan-
ical key together with the electronic key.
If the electronic key battery is depleted
or the entry function does not operate
properly, you will need the mechanical
key. ( P. 594)
■Card key (if equipped)
●The card key is not waterproof.
●The mechanical key that is stored inside th e card key should be used only if a problem
arises, such as when the card key does not operate properly.
●If it is difficult to take out the mechanical key, push down the lock release button using a
pen tip etc. If it is still difficu lt to pull it out, use a coin etc.
Using the mechanical key
●To store the mechanical key in the card key,
insert it while pressing the lock release button.
●If the battery cover is not installed and the bat-
tery falls out or if the battery was removed
because the key got wet, reinstall the battery
with the positive terminal facing the Lexus
emblem.

1563-1. Key information
GS350_200t_GS F_OM_OM30F83E_(EE)
■When required to leave the vehicl e’s key with a parking attendant
Turn the trunk opener main switch off, lock the glove box and armrest door as circum-
stances demand. ( P. 168, 420, 433)
Remove the mechanical key for your own use and provide the attendant with the elec-
tronic key only.
■If you lose your mechanical keys
New genuine mechanical keys can be made by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer using the other mechanical key and the key
number stamped on your key number plate. K eep the plate in a safe place such as your
wallet, not in the vehicle.
■When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any but-
tons on the electronic key while inside the ai rcraft cabin. If you are carrying an electronic
key in your bag etc., ensure that the buttons are not likely to be pressed accidentally.
Pressing a button may cause the electronic key to emit radio waves that could interfere
with the operation of the aircraft.
■Electronic key battery depletion
●The standard battery life is 1 to 2 years. (The card key battery life is about a year and a
half.)
●If the battery becomes low, an alarm will sound in the cabin when the engine stops.
(  P. 555)
●As the electronic key always receives ra dio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indicate that the elec-
tronic key battery may be depleted. Replace the battery when necessary. ( P. 491)

157
3-1. Key information
3
Operation of each component
GS350_200t_GS F_OM_OM30F83E_(EE)
NOTICE
■To prevent key damage
●Do not drop the keys, subject them to strong shocks or bend them.
●Do not expose the keys to high temp eratures for long periods of time.
●Do not get the keys wet or wash them in an ultrasonic washer etc.
●Do not attach metallic or magnetic materials to the keys or place the keys close to
such materials.
●Do not disassemble the keys.
●Do not attach a sticker or anything else to the surface of the electronic key.
●Do not place the keys near objects that produce magnetic fields, such as TVs, audio
systems and induction cookers.
●Do not place the keys near medical electrical equipment such as low-frequency ther-
apy equipment or microwave therapy equipment, and do not receive medical atten-
tion with the keys on your person.
■Carrying the electronic key on your person
Carry the electronic key 10 cm (3.9 in.) or more away from electr ic appliances that are
turned on. Radio waves emitted from electric appliances wit hin 10 cm (3.9 in.) of the
electronic key may interfere with the key, causing the key to not function properly.
■In case of a smart entry & start system malfunction or other key-related problems
Take your vehicle with all the electronic keys provided with your vehicle, including the
card key, to any authorized Lexus retailer or Lexus authoriz ed repairer, or any reliable
repairer.
■When an electronic key is lost
If the electronic key remains lost, the risk of vehicle theft increases significantly. Visit
any authorized Lexus retailer or Lexus auth orized repairer, or any reliable repairer
immediately with all remaining electronic ke ys and the card key that was provided with
your vehicle.