change key battery TOYOTA CAMRY 2012 XV50 / 9.G Owners Manual

44 1-2. Opening, closing and locking the doors and trunk
■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 when the
engine stops. ( P. 427)
● 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 electronic key battery may be depleted.
Replace the battery when necessary. ( P. 386)
• The smart key 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 3 ft.
(1 m) of the following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Glass top ranges
• Table lamps
■ When the electronic key battery is fully depleted
P. 386
■ If the smart key system has been d eactivated in a customized setting
● Locking and unlocking the doors: Use the wireless remote control or
mechanical key. ( P. 46, 451)
● Starting the engine and changing “ENGINE START STOP” switch
modes:  P. 4 5 2
● Stopping the engine: P. 149
■ Customization that can be co nfigured at Toyota dealer
Settings (e. g. smart key system) can be changed.
(Customizable features: P. 493)

191
2-3. Operating the lights and wipers
2
When driving
■
Battery-saving function
In order to prevent the vehicle battery from discharging, if the headlights
and/or tail lights are on when the engine switch is turned to the “LOCK” posi-
tion (vehicles without a smart key system) or when the “ENGINE START
STOP” switch is turned off (vehicles with a smart key system) the battery
saving function will operate and automatically turn off all the lights after
approximately 20 minutes.
When the engine switch is turned to the “ON” position (vehicles without a
smart key system) or when the “ENGINE START STOP” switch is turned to
IGNITION ON mode (vehicles with a smart key system), the battery-saving
function will be disabled.
When any of the following are performed, the battery-saving function is can-
celed once and then reactivated. All the lights will turn off automatically 20
minutes after the battery-saving function has been reactivated:
●When the headlight switch is operated
● When a door is opened or closed
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features P. 493)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not run-
ning.

288 3-3. Using the interior lights
■Illuminated entry system
Vehicles without a smart key system
The lights automatically turn on/off according to the engine switch position,
whether the doors are locked/unlocked, and whether the doors are open/
closed.
Vehicles with a smart key system
The lights automatically turn on/off according to “ENGINE START STOP”
switch mode, the presence of the electronic key, whether the doors are
locked/unlocked, and whether the doors are open/closed.
■ To prevent battery discharge
Vehicles without a smart key system
If the interior lights, personal lights and/or door courtesy lights are left on
when the engine switch is turned to the “LOCK” position, the lights will go off
automatically after 20 minutes.
Vehicles with a smart key system
If the interior lights, personal lights and/or door courtesy lights are left on
when the “ENGINE START STOP” switch is turned off, the lights will go off
automatically after 20 minutes.
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features P. 493)
Personal lights

320 3-5. Other interior features
■Before programming
●Install a new battery in the remote control transmitter.
● The battery side of the remote control transmitter must be pointed away
from the HomeLink
button.
■ To prevent battery discharge
Vehicles without a smart key system:
HomeLink
 will turn off if a door has not been opened and closed for 20 min-
utes or the engine switch is left turned off. (After which programming cannot
be completed.) Open and close a door or turn the engine switch to the
“ACC” position to turn HomeLink
 on. We recommend programming while
the engine switch is in the “ACC” position.
Vehicles with a smart key system:
HomeLink
 will turn off if a door has not been opened and closed for 20 min-
utes or the “ENGINE START STOP” switch is left turned off. (After which pro-
gramming cannot be completed.) Open and close a door or turn the
“ENGINE START STOP” switch to ACCESSORY mode to turn HomeLink

on. We recommend programming while the “ENGINE START STOP” switch
is in ACCESSORY mode.
■ Certification for the garage door opener
U.S.A.
FCC ID: CB2051AHL4/CB251AHL4NR
NOTE:
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may not
cause interference, and (2) this device must accept any interference, includ-
ing interference that may cause undesired operation of the device.

341
4-2. Maintenance
4
Maintenance and care
Turn the engine switch (vehicles without a smart key system) or the
“ENGINE START STOP” switch (vehicles with a smart key system)
off with the trip meter A reading shown. (
P. 172)
While pressing the display change button ( P. 169), turn the
engine switch to the “ON” position (vehicles without a smart key
system) or “ENGINE START STOP” switch to IGNITION ON mode
(vehicles with a smart key system)
Continue to press and hold the knob until the trip meter displays
“000000”.
■ Allow inspection and repairs to be performed by a Toyota dealer
● Toyota technicians are well-trained specialists and are kept up to date
with the latest service information. They are well informed about the
operations of all systems on your vehicle.
● Keep a copy of the repair order. It proves that the maintenance that has
been performed is under warranty coverage. If any problem should arise
while your vehicle is under warranty, your Toyota dealer will promptly
take care of it.
CAUTION
■If your vehicle is not properly maintained
Improper maintenance could result in serious damage to the vehicle and
possible serious injury or death.
■ Handling of the battery
●Engine exhaust, some of its constituents, and a wide variety of automobile
components contain or emit chemicals known to the State of California to
cause cancer and birth defects and other reproductive harm. Work in a
well ventilated area.
● Oils, fuels and fluids contained in vehicles as well as waste produced by
component wear contain or emit chemicals known to the State of
California to cause cancer and birth defects or other reproductive harm.
Avoid exposure and wash any affected area immediately.
● Battery posts, terminals and related accessories contain lead and lead
compounds which are known to cause brain damage. Wash your hands
after handling. ( P. 363)
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