2017 LEXUS RX200T stop start

1373-1. Key information
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Operation of each component
RX350/RX200t_EE_OM48F32E
■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 soun d in the cabin when the engine is stopped. ( P. 638)
●As the electronic key always receives radio 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. 638)
• The smart entry & start system or the wireless remote control does not operate.
• The detection area becomes smaller. • The LED indicator on the key surface does not turn on.
●To avoid serious deterioration, do not leave the electronic key within 1 m (3 ft.) of thefollowing electrical appliances that produce a magnetic field:
•TVs
• Personal computers • Cellular phones, cordless phones and battery chargers• Recharging cellular phones or cordless phones
• Induction cookers • Table lamps
■Replacing the battery
 P. 638
■Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask any autho-
rized Lexus dealer or repairer, or another du ly qualified and equipped professional for details.
■If a wrong key is used
The key cylinder rotates freely, isolated from the internal mechanism.

1413-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX200t_EE_OM48F32E
■Operation signals
Doors: The emergency flashers flash to indicate th at the doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Windows and moon roof or panoramic moon roof: A buzzer sounds.
■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.
■When the door cannot be locked by the lock sensor on the surface of the door handle
■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 vehicleonce more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm system. ( P. 83)
■If the smart entry & start system or the wireless remote control does not operate prop-
erly
●Use the mechanical key to lock and unlock the doors. ( P. 710)
●Replace the key battery with a new one if it is depleted. (P. 638)
When the door cannot be locked even if the lock sensor on the surface of the door handle is
touched by a finger, touch the lock sensor with the palm.
When gloves are being worn, remove the
gloves.

1513-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX200t_EE_OM48F32E
◆Smart entry & start system
Carry the electronic key to enable
this function.
Locks all the doors
Check that the door is securely
locked.
Unlocks all the doors
The doors cannot be unlocked for 3
seconds after the doors are locked.
◆Wireless remote control
 P. 140
◆Door lock switch
 P. 142
Press and hold the switch for approxi-
mately 1 second.
The power back door can be operated
when it is unlocked.
Pressing the switch while the power
back door is open ing/closing will stop
the operation.
Pressing and holding the switch again
for approximately 1 second will operate
the power back door in the opposite
direction.
Power back door
: If equipped
The power back door can be locked/unlocked and opened/closed by the fol-
lowing procedures.
Locking and unlocking the power back door from the outside
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Locking and unlocking the power back door from the inside
Opening/closing the power back door using the wireless remote con-
trol

1583-2. Opening, closing and locking the doors
RX350/RX200t_EE_OM48F32E
■Back door closer
In the event that the power back door is left slightly open, the back door closer will auto- matically close it to the fully closed position.
●The back door closer can function when the engine switch is in any mode.
●The power back door can be opened using the back door opener switch even if theback door closer is operating.
■Operation of the power back door
●When the power back door begins to operat e, the emergency flashers will flash twice and a buzzer will sound.
●When the power back door is disabled ( P. 115), the power back door will not operate but can be opened and closed manually.
●The power back door turns to manual operat ion when the back door opener switch is
pressed while the power back door is in an automatic opening/closing operation.
●If anything obstructs the power back door while opening, a buzzer will sound and the power back door will stop immediately. If anything obstructs the power back door while
closing, a buzzer will sound and the power back door will automatically move slightly in the opposite direction and then stop.
■Back door reserve lock function
This function reserves the locking of the po wer back door when the power back door is open. If the following operations are perfor med, all of the doors except the power back door will lock and then the power back door will lock when it is completely closed.
Close all of the doors, except the power back door.
Perform an automatic closing operation of the power back door and lock the doors using the wireless remote control ( P. 140) or smart entry & start system (P. 140,
151) while the power back door is closing.
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1633-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX200t_EE_OM48F32E
WARNING
■Back door closer
●Use caution when using the back door closer as it still operates when the power back door system is disabled.
■Power back door
Observe the following precautions when operating the power back door. Failure to do so may cause death or serious injury.
●Check the safety of the surrounding area to make sure there are no obstacles or any-thing that could cause any of your belongings to get caught.
●If anyone is in the vicinity, make sure they are safe and let them know that the power
back door is about to open or close.
●If the power back door system is disabled ( P. 115) while the power back door is operating, the power back door will stop operating. The power back door must then
be operated manually. Take extra care in th is situation, as the power back door may open or close suddenly.
●If the operating conditions of the power back door (P. 156) are no longer met, a
buzzer may sound and the power back door may stop opening or closing. The power back door must then be operated manually. Take extra care on an incline in this situa-tion, as the power back door may move suddenly.
●On an incline, the power back door may suddenly shut after it opens. Make sure thepower back door is fully open and secure.
●In the following situations, the power back door may detect an abnormality and auto-
matic operation may be stopped. In this case, the power back door must then be operated manually. Take extra care in this situation, as the stopped power back door may suddenly open or close, causing an accident.
• When the power back door contacts an obstacle • When the battery voltage suddenly drops, such as when the engine switch isturned to IGNITION ON mode or the engine is started during automatic opera-
tion
●In the event that the power back door is left
slightly open, the back door closer will auto- matically close it to the fully closed position. Ittakes several seconds before the back door
closer begins to operate. Be careful not to get fingers caught or anything else in the powerback door, as this may cause bone fractures
or other serious injuries.

1683-2. Opening, closing and locking the doors
RX350/RX200t_EE_OM48F32E
●Locks and unlocks the doors (P. 140)
●Locks and unlocks the back door (P. 146, 151)
●Starts and stops the engine (P. 246)
■Antenna location
■Effective range (areas within which the electronic key is detected)
Smart entry & start system
The following operations can be performed simply by carrying the electronic
key (including the card key) on your person, for example in your pocket. The
driver should always carry the electronic key.
Antennas outside the cabin
Antennas inside the cabin
Antenna outside the luggage compartment
When locking or unlocking the doors
The system can be operated when the elec- tronic key is within about 0.7 m (2.3 ft.) of
an outside door handle. (Only the doors detecting the key can be operated.)
When starting the engine or changing
engine switch modes
The system can be operated when the elec- tronic key is inside the vehicle.
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1703-2. Opening, closing and locking the doors
RX350/RX200t_EE_OM48F32E
■Electronic Key battery-Saving Function
When battery-saving mode is set, battery depl etion is minimized by stopping the elec- tronic key from receiving radio waves.
■Conditions affecting operation
The smart entry & start system, wireless re mote control and engine immobilizer system use weak radio waves. In the following si tuations, the communication between the elec- tronic key and the vehicle may be affected, preventing the smart entry & start system,
wireless remote control and engine immob ilizer system from operating properly. (Ways of coping: P. 710)
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display, airport or other facility that gene rates strong radio waves or electrical noise
●When the electronic key is in contact with, or is covered by the following metallic
objects
• Cards to which aluminum foil is attached • Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags •Coins• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that emit radio waves) are being used nearby
●When carrying the electronic key together with the following devices that emit radio waves
• Portable radio, cellular phone, cordle ss phone or other wireless communication
devices • Another vehicle’s electronic key, another electronic key of your vehicle, or a wirelesskey that emits radio waves
• Personal computers or personal digital assistants (PDAs) • Digital audio players• Portable game systems
●If window tint with a metallic content or me tallic objects are attached to the rear win- dow
●When the electronic key is placed near a battery charger or electronic devices
Press twice while pressing and holding . Confirm that the electronic key indicator flashes
4 times.
While the battery-saving mode is set, the smart entry & start system cannot be used. To cancel
the function, press any of the electronic key but- tons.

1723-2. Opening, closing and locking the doors
RX350/RX200t_EE_OM48F32E
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 2 m (6 ft.) of the vehicle.
●The smart entry & start system can be deactivated in advance. ( P. 740)
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when op erating the system from the outside of the vehicle.
Depending on the position and holding condit ion of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off accidentally, or the door lock prevention may not operate.)
■If the smart entry & start system does not operate properly
●Locking and unlocking the doors: Use the mechanical key. ( P. 710)
●Starting the engine: P. 712
■Customization
Some functions can be customized. ( P. 740)
■If the smart entry & start system has been deactivated in a customized setting
●Locking and unlocking the doors:
Use the wireless remote control or mechanical key. ( P. 140, 151, 710)
●Starting the engine and changing engine switch modes: P. 712
●Stopping the engine: P. 246