2023 TOYOTA C-HR change key battery

1883-1. Key information
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■ Electronic key battery depletion
● The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin and a message
will be displayed on the multi-information display when the hyb rid system
stops.
● As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace t he battery
when necessary. ( P. 643)
• 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.
The battery can be exchanged by the users. ( P. 643) However, as there
may be damage to the key when exchanging, it is recommended to have
the battery exchanged at any authorized Toyota retailer or Toyo ta autho-
rized repairer, or any reliable repairer.
● To avoid serious deterioration, do not leave the electronic key within 1 m
(3 ft.) of the following electr ical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Table lamps
• Induction cookers

1893-1. Key information
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Operation of each component
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■ When the key battery is fully depleted
 P. 643
■ Confirmation of the registered key number
The number of keys already registered to the vehicle can be con firmed. Ask
any authorized Toyota retailer or Toyota authorized repairer, o r any reliable
repairer for details.
■ If a wrong key is used
On some models, the key cylinder rotates freely to isolate insi de mechanism.
■ Customization
Settings (e.g. wireless remote control system) can be changed.
(Customizable features: P. 779)
■ Certification for the wireless remote control
 P. 212

2093-2. Opening, closing and locking the doors
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Operation of each component
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■ Note for the entry function
● Even when the electronic key is within the effective range (detection areas),
the system may not operate properly in the following cases:
• The electronic key is too close to the window or outside door handle, near
the ground, or in a high place when the doors are locked or unl ocked.
• The electronic key is near the ground or in a high place, or t oo close to
the rear bumper center w hen the back door is opened.
• The electronic key is on the instrument panel, floor, or in th e door pockets
or glove box when the hybrid syst em is started or power switch modes
are changed.
● Do not leave the electronic key on top of the instrument panel or near the
door pockets when exiting the vehicle. Depending on the radio w ave recep-
tion conditions, it may be detected by the antenna outside the cabin and the
door will become lockable from the outside, possibly trapping t he electronic
key inside the vehicle.
● As long as the electronic key is within the effective range, the doors may be
locked or unlocked by anyone. However, only the doors detecting the elec-
tronic key can be used to unlock the vehicle.
● Even if the electronic key is not inside the vehicle, it may be possible to start
the hybrid system if the electronic key is near the window.
● The doors may unlock or lock if a large amount of water splashes on the
door handle, such as in the rain or in a car wash when the elec tronic key is
within the effective range. (The doors will automatically be lo cked after
approximately 30 seconds if the doors are not opened and closed .)
● If the wireless remote control is used to lock the doors when the electronic
key is near the vehicle, there is a possibility that the door m ay not be
unlocked by the entry function. (Use the wireless remote contro l to unlock
the doors.)
● Touching the door lock sensor while wearing gloves may delay or prevent
lock operation. Remove the gloves and touch the lock sensor aga in.
● If the door handle becomes wet while the electronic key is within the effec-
tive range, the door may lock and unlock repeatedly. In that ca se, follow the
following correction procedures to wash the vehicle.
• Place the electronic key in a location 2 m (6 ft.) or more awa y from the
vehicle. (Take care to ensure that the key is not stolen.)
• Set the electronic key to battery-saving mode to disable the s mart entry &
start system. ( P. 207)

3074-2. Driving procedures
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Driving
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■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the hybrid system is turned on and off repeatedly in a short period
of time. In this case, refrain from operating the hybrid system . After about 10
seconds, the steering lock motor will resume functioning.
■ When the “Entry & Start System Malfunction. See Owner’s Manual.” is
displayed on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by any autho-
rized Toyota retailer or Toyota authorized repairer, or any rel iable repairer
immediately.
■ If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even a fter perform-
ing the proper procedures for starting the vehicle, contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer immedi-
ately.
■ If the hybrid system is malfunctioning
 P. 690
■ If the electronic key battery is depleted
 P. 643
■ Operation of the power switch
● If the switch is not pressed shortly and firmly, the power switch mode may
not change or the hybrid system may not start.
● If attempting to restart the hybrid system immediately after turning the power
switch off, the hybrid system may not start in some cases. Afte r turning the
power switch off, please wait a few seconds before restarting t he hybrid sys-
tem.
■ If the smart entry & start system has been deactivated in a customized
setting
 P. 744

5595-2. Using the interior lights
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Interior features
■Illuminated entry system
When the interior light switch is in the door position, the int erior lights and
power switch light automatically turn on/off according to power switch mode,
the presence of the electronic key, whether the doors are locke d/unlocked
and whether the doors are open/closed.
■ Outer mirror illumination (if equipped)
The illumination automatically turns on according to the presen ce of the elec-
tronic key (vehicles with a smart entry & start system), or the doors are
unlocked.
■ To prevent 12-volt battery discharge
The following lights will turn off automatically after 20 minut es:
● Interior light/front personal lights
● Rear interior light
● Luggage compartment light
● Vanity lights
■ Customization
Settings (e.g. the time elapsed before lights turn off) can be changed. (Cus-
tomizable features: P. 779)

7467-2. Steps to take in an emergency
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■Stopping the hybrid system
Set the parking brake, shift the shift lever to P and press the power switch as
you normally do when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommende d that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 643)
■ Alarm (if equipped)
Using the mechanical key to lock the doors will not set the ala rm system.
If a door is unlocked using the mechanical key when the alarm s ystem is set,
the alarm may be triggered. ( P. 146)
■ Changing power switch modes
Release the brake pedal and press the power switch in step abo ve. The
hybrid system does not start and modes will be changed each tim e the switch
is pressed. ( P. 304)
■ When the electronic key does not work properly
● Make sure that the smart entry & start system has not been deactivated in
the customization setting. If it is off, turn the function on.
(Customizable features: P. 779)
● Check if battery-saving mode is set. If it is set, cancel the function.
( P. 207)
WARNING
■When using the mechanical key and operating the power windows
Operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the side
window. Also, do not allow children to operate the mechanical k ey. It is pos-
sible for children and other passengers to get caught in the po wer window.
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