2017 LEXUS RX200T battery

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.

1373-1. Key information
3
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.

1393-1. Key information
3
Operation of each component
RX350/RX200t_EE_OM48F32E
NOTICE
■Handling the card key (if equipped)
●Do not apply excess force when inserting the mechanical key into the card key. Doing so may damage the card key.
●If the battery or card key terminals get wet, the battery may corrode and the card keymay stop working.If the key is dropped into water, or if drinki ng water, etc. is spilled on the key, immedi-
ately remove the battery cover and wipe the battery and terminals. (To remove the battery cover, lightly grasp and pull it.) If the battery is corroded, have any authorized Lexus dealer or repairer, or another duly qualified and equipped professional replace
the battery.
●Do not crush the battery cover or use a screwdriver to remove the battery cover. Forcibly removing the battery co ver may bend or damage the key.
●If the battery cover is frequently removed, the battery cover may become loose.
●When installing the battery, make sure to check the direction of the battery. Installing the battery in the wrong direction may cause the battery to deplete rapidly.
●The surface of the card key may be damaged, or its coating may peel off in the follow- ing situations:
• The card key is carried together with hard objects, such as coins and keys.
• The card key is scraped with a sharp object, such as the tip of a mechanical pencil. • The surface of the card key is wiped with thinner or benzene.

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.

1593-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX200t_EE_OM48F32E
■When reconnecting the battery
To enable the power back door to operate properly, close the power back door manually.
■Jam protection function
■Returning the power back door openin g position to the default setting
Sensors are installed in the right and left sides of the power back door. When the door is auto-
matically closing and the sensors are pushed due to an object being caught, etc., the jam pro-tection function will operate.
From that position the door will automatically move a little in the opposite direction and thenthe function will stop.
Press and hold the switch on the lower part of the power back door for 7 seconds.
A buzzer will sound twice. The next time the power back door is opened, it will open to thedefault position.

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.

1693-2. Opening, closing and locking the doors
3
Operation of each component
RX350/RX200t_EE_OM48F32E
■Alarms and warning messages
A combination of exterior and interior alarms as well as warning messages shown on the multi-information display are used to prevent theft of the vehicle and accidents resulting
from erroneous operation. Take appropriate measures in response to any warning mes- sage on the multi-information display. ( P. 673)
The following table describes circumstances and correction procedures when only
alarms are sounded.
■If a warning message is displayed indicating that there is a malfunction in the smart
entry & start system
 P. 673
■Battery-saving function
The battery-saving function will be activated in order to prevent the electronic key bat- tery and the battery from being discharged while the vehicle is not in operation for a longtime.
●In the following situations, the smart entry & start system may take some time to unlockthe doors.
• The electronic key has been left in an area of approximately 2 m (6 ft.) of the outside
of the vehicle for 10 minutes or longer. • The smart entry & start system has no t been used for 5 days or longer.
●If the smart entry & start system has not been used for 14 days or longer, the doors can- not be unlocked at any doors except the driver’s door. In this case, take hold of thedriver’s door handle, or use the wireless remote control or the mechanical key, to
unlock the doors.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5 seconds
An attempt was made to lock
the vehicle while a door was open.
Close all of the doors andlock the doors again.
Interior alarm pingsrepeatedly
The engine switch was turned toACCESSORY mode while the
driver’s door was open (The driver’s door was opened whenthe engine switch was in
ACCESSORY mode).
Turn the engine switch off and close the driver’s door.

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.