Page 72 of 776

721-2. Child safety
RX350/RX200t_EE_OM48F32E
Key of letters inserted in the above table:
X: Not suitable seat position for ISOFIX child restraint systems in this mass
group and/or size class.
IUF: Suitable for ISOFIX forward-facing child restraint systems of “universal”
category approved for use in this mass group.
IL: Suitable for ISOFIX child restraint systems of the categories for “specific
vehicles”, “restricted”, or “semi-universal”, approved for use in this mass
group.
*: If the head restraint interferes with your child restraint system, and the head restraint
can be removed, remove the head restraint. Otherwise, put the head restraint in the
upper most position.
When securing some types of child restrain t systems in second row seats, it may
not be possible to properly use the seat belts in positions next to the child
restraint without interfering with it or affecting seat belt effectiveness. Be sure
your seat belt fits snugly across your shoulder and low on your hips. If it does not,
or if it interferes with the child restraint, move to a different position. Failure to do
so may result in death or serious injury.
The child restraint systems mentioned in the table may not be available outside
the EU area.
●When installing a child restraint in the rear seats, adjust the front seat so that it
does not interfere with the child or child restraint system.
●When using a “LEXUS MINI” or “LEXUS MIDI” adjust the support leg and
ISOFIX connectors as follows:
Lock the ISOFIX connectors
where number 3 can be seen.
Lock the support leg where 4
holes can be seen.
1
2
Page 73 of 776
![LEXUS RX200T 2017 Owners Manual 731-2. Child safety
1
For safety and security
RX350/RX200t_EE_OM48F32E
■Child restraint system suitability table
(Installed using i-Size [Child restraint system conforms with ECE R129])
If your c LEXUS RX200T 2017 Owners Manual 731-2. Child safety
1
For safety and security
RX350/RX200t_EE_OM48F32E
■Child restraint system suitability table
(Installed using i-Size [Child restraint system conforms with ECE R129])
If your c](/manual-img/36/58026/w960_58026-72.png)
731-2. Child safety
1
For safety and security
RX350/RX200t_EE_OM48F32E
■Child restraint system suitability table
(Installed using i-Size [Child restraint system conforms with ECE R129])
If your child restraint system is of “i-Size” category, you can install it on the
positions mentioned by i-U in the table below. Child restraint system category
can be found in the child restraint system manual.
Key of letters inserted in the above table:
X: Not suitable for use with i-Size child restraint systems.
i-U: Suitable for i-Size “universal” child restraint systems forward and rearward
facing.
*: If the head restraint interferes with your child restraint system, and the head restraint
can be removed, remove the head restraint. Otherwise, put the head restraint in the
upper most position.
When securing some types of child restrain t systems in second row seats, it may
not be possible to properly use the seat belts in positions next to the child
restraint without interfering with it or affecting seat belt effectiveness. Be sure
your seat belt fits snugly across your shoulder and low on your hips. If it does not,
or if it interferes with the child restraint, move to a different position. Failure to do
so may result in death or serious injury.
When installing a child restraint in the re ar seats, adjust the front seat so that it
does not interfere with the child or child restraint system.
Seating position
Front seatRear seat
Passenger seatOutboardCenter
i-Size child
restraint systemsXi-U*X
Page 77 of 776

77
1
For safety and security
RX350/RX200t_EE_OM48F32E
1-3. Theft deterrent 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 registered to the security system (key with a built-in transponder chip) of another vehicle
Engine immobilizer system
The vehicle’s keys have built-in tran sponder 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 vehicle when you leave the vehicle.
This system is designed to help prev ent vehicle theft but does not guarantee
absolute security agai nst all vehicle thefts.
Page 84 of 776

841-3. Theft deterrent system
RX350/RX200t_EE_OM48F32E
■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 or panoramic m oon roof are closed before the alarm is
set.
●No valuables or other personal items are left in the vehicle.
■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, depending on the situation, the door may automatically lock to prevent improper entry into the vehicle:
●When a person remain ing in the vehicle unlocks the door and the alarm is activated.
●While the alarm is activated, a person remaining in the vehicle unlocks the door.
●When recharging or replacing the battery
●The doors are unlocked using the mechanical key.
●A person inside the vehicle opens a door orhood, or unlocks the vehicle.
●The battery is recharged or replaced when the
vehicle is locked. ( P. 716)
Page 133 of 776
133
3
Operation of
each component
RX350/RX200t_EE_OM48F32E
3-1. Key information
Keys .................................................. 134
3-2. Opening, closing and
locking the doors
Side doors ...................................... 140
Back door........................................146
Power back door .......................... 151
Smart entry & start system ...... 168
3-3. Adjusting the seats
Front seats...................................... 185
Rear seats....................................... 186
Driving position memory ......... 195
Head restraints ...........................200
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................ 202
Inside rear view mirror ............ 204
Outside rear view mirrors...... 206
3-5. Opening, closing the
windows and moon roof
Power windows ........................... 210
Moon roof .......................................214
Panoramic moon roof............... 218
Page 134 of 776
134
RX350/RX200t_EE_OM48F32E
3-1. Key information
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart entry & start
system (if equipped) ( P. 168)
• Operating the wireless remote
control function
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)
Operating the smart entry & start sys- tem ( P. 168)
Locks all the doors (P. 140)
Closes the windows*2 and the
moon roof*1, 2 or panoramic moon
roof*1, 2 ( P. 140)
Unlocks all the doors ( P. 140)
Opens the windows*2 and the
moon roof*1, 2 or panoramic moon
roof*1, 2 ( P. 140)
Opens and closes the power back door*1 ( P. 151)
*1: If equipped
*2: This setting must be customized at any authorized Lexus dealer or repairer, or
another duly qualified an d equipped professional.
Keys
The keys
1
2
3
4
Wireless remote control
1
2
3
4
5
Page 135 of 776
1353-1. Key information
3
Operation of each component
RX350/RX200t_EE_OM48F32E
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 depletedor the entry function does not operate
properly, you will ne ed the mechanical key. ( P. 710)
Using the mechanical key
Page 136 of 776

1363-1. Key information
RX350/RX200t_EE_OM48F32E
■Card key (if equipped)
●The card key is not waterproof.
●The mechanical key that is stored inside the 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 release button using a pentip, etc. If it is still difficult to pull it out, use a coin, etc.
■When required to leave the vehicle’s key with a parking attendant
Lock the glove box as circumstances demand. ( P. 557) 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 dealer or repairer,
or another duly qualified and equipped prof essional using another mechanical key and the key number stamped on your key number plate. Keep the plate in a safe place suchas 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 interferewith the operation of the aircraft.
●To store the mechanical key in the card key,insert it while pressing the look release button.
●If the battery cover is not installed and the bat- tery falls out or if the battery was removedbecause the key got wet, reinstall the battery
with the positive terminal facing the Lexus emblem.