2013 Lexus CT200h key battery

1453-2. Opening, closing and locking the doors
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Operation of each component
CT200h_OM_OM76102E_(EE)
Battery-saving function (vehicles with entry function)
The battery-saving function will be activated in order to prevent the electronic
key battery and the 12-volt battery from being discharged while the vehicle is not
in operation for a long time.
In the following situations, the smart entry & start system may take some time
to unlock the 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 not been used for 5 days or longer.
If the smart entry & start system has not been used for 14 days or longer, the
doors cannot be unlocked at any doors except the driver’s door. In this case,
take hold of the driver’s door handle, or use the wireless remote control or the
mechanical key, to unlock the doors.
Conditions affecting operation
The smart entry & start system, wireless remote control and immobilizer system
use weak radio waves. In the following situations, the communication between
the electronic key and the vehicle may be affected, preventing the smart entry &
start system, wireless remote control and immobilizer system from operating
properly.
(Ways of coping: P. 621)
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 generates strong radio waves or electrical noise
When carrying a portable radio, cellular phone, cordless phone or other wire-
less communication devices
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 key (that emit radio waves) is being used nearby
When carrying the electronic key together with the following devices that emit
radio waves
• Another vehicle’s electronic key or a wireless key 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 metallic objects are attached to the rear
window

1984-2. Driving procedures
CT200h_OM_OM76102E_(EE)
Modes can be changed by pressing the power switch with the brake pedal
released. (The mode changes each time the switch is pressed.)
Off
The emergency flashers can be used.
ACCESSORY mode
Some electrical components such as
the audio system can be used.
The power switch indicator turns
amber.
ON mode
All electrical components can be
used.
The power switch indicator turns
amber.
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or ON
mode (the hybrid system is not operating) for more than an hour with the shift
position in P, the power switch will automatically turn off. However, this func-
tion cannot entirely prevent the 12-volt battery discharge. Do not leave the vehi-
cle with the power switch in ACCESSORY or ON mode for long periods of time
when the hybrid system is not operating.
Sounds and vibrations specific to a hybrid vehicle
P. 8 0
Electronic key battery depletion
P. 129
Changing power switch modes
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1994-2. Driving procedures
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Driving
CT200h_OM_OM76102E_(EE)
When the ambient temperature is low, such as during winter driving conditions
When starting the hybrid system, the flashing time of the “READY” indicator
may be long. Leave the vehicle as it is until the “READY” indicator is steady on,
as steady means the vehicle is able to move.
Conditions affecting operation
P. 145
Note for the entry function
P. 146
If the hybrid system does not start
The immobilizer system may not have been deactivated. (P. 87)
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
When the power switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped profes-
sional immediately.
If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even after performing
the proper procedures for starting the vehicle, contact any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional immedi-
ately.
If the hybrid system is malfunctioning
P. 580
If the electronic key battery is depleted
P. 530
Operation of the power switch
When operating the power switch, one short, firm press is enough. If the switch
is pressed improperly, the hybrid system may not start or the power switch
mode may not change. It is not necessary to press and hold the switch.
If attempting to restart the hybrid system immediately after turning the power
switch off, the hybrid system may not start in some cases. After turning the
power switch off, please wait a few seconds before restarting the hybrid system.
Automatically P position selection function
P. 207
When the P position control system malfunctions
The power switch will not be able to be turned off. In such a case, the switch can
be turned off after applying the parking brake.
Have the vehicle inspected by any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional immediately.

4636-2. Using the interior lights
CT200h_OM_OM76102E_(EE)
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Interior features
Illuminated entry system: The lights automatically turn on/off according to
power switch mode, the presence of the electronic key, whether the doors are
locked/unlocked, and whether the doors are opened/closed.
If the interior lights remain on when the power switch is turned off, the lights
will go off automatically after 20 minutes.
Settings (e.g. the time elapsed before the lights turn off) can be changed.
(Customizable features: P. 655)
NOTICE
To prevent 12-volt battery discharge, do not leave the lights on longer than nec-
essary when the hybrid system is off.

479
7Maintenance and care
CT200h_OM_OM76102E_(EE)
7-1. Maintenance and care
Cleaning and protecting the
vehicle exterior ............... 480
Cleaning and protecting the
vehicle interior ................ 484
7-2. Maintenance
Maintenance
requirements ................... 487
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions...................... 490
Hood ................................. 492
Positioning a floor jack ..... 494
Engine compartment ......... 495
12-volt battery................... 504
Tires .................................. 510
Tire inflation pressure ....... 523
Wheels .............................. 525
Air conditioning filter ....... 527
Electronic key battery ....... 530
Checking and replacing
fuses ................................ 534
Light bulbs ........................ 538

5077-3. Do-it-yourself maintenance
CT200h_OM_OM76102E_(EE)
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Maintenance and care
Before recharging
When recharging, the 12-volt battery produces hydrogen gas which is flammable
and explosive. Therefore, observe the following precautions before recharging:
If recharging with the 12-volt battery installed on the vehicle, be sure to discon-
nect the ground cable.
Make sure the power switch on the charger is off when connecting and discon-
necting the charger cables to the 12-volt battery.
After recharging/reconnecting the 12-volt battery
Unlocking the doors using the smart entry & start system may not be possible
immediately after reconnecting the 12-volt battery. If this happens, use the
wireless remote control or the mechanical key to lock/unlock the doors.
Start the hybrid system with the power switch in ACCESSORY mode. The
hybrid system may not start with the power switch turned off. However, the
hybrid system will operate normally from the second attempt.
The power switch mode is recorded by the vehicle. If the 12-volt battery is
reconnected, the vehicle will return the power switch mode to the status it was
in before the 12-volt battery was disconnected. Make sure to turn off the power
before disconnect the 12-volt battery. Take extra care when connecting the 12-
volt battery if the power switch mode prior to discharge is unknown.
Restart the hybrid system, depress the brake pedal, and confirm that it is possi-
ble to shift into each shift position.
If the system will not start even after multiple attempts at all methods above,
contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.

5307-3. Do-it-yourself maintenance
CT200h_OM_OM76102E_(EE)
Electronic key battery
Flathead screwdriver
Small Phillips-head screwdriver
Lithium battery CR1632
Ty p e A
Take out the mechanical key.
Remove the cover.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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5327-3. Do-it-yourself maintenance
CT200h_OM_OM76102E_(EE)
Ty p e B
Take out the mechanical key.
Remove the cover.
To prevent damage to the key, cover
the tip of the screwdriver with a rag.
Remove the depleted battery.
Insert a new battery with the “+” ter-
minal facing up.
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