2012 TOYOTA SIENNA change key battery

50 1-2. Opening, closing and locking the doors
SIENNA_U (OM45477U)
■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. 41)
● 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. 693)
• 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
• Recharging cellular phones or cordless phones
• Cellular phones, cordless phones and battery chargers
• Glass top ranges
• Table lamps
■ When the electronic key battery is fully depleted
 P. 693
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. smart key system) can be changed.
(Customizable features P. 815)

59
1-2. Opening, closing and locking the doors
1
Before driving
SIENNA_U (OM45477U)
■
When the electronic key battery is fully depleted
 P. 693
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. operation signal) can be changed.
(Customizable features P. 815)
■ Certification for wireless remote co ntrol (vehicles without a smart key
system)
This device complies with Part 15 of the FCC Rules and with RSS-210 of
Industry Canada. Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired
operation.
■ Certification for wireless remote control (vehicles with a smart key sys-
tem)
U.S.A.
FCC ID: HYQ14ADR FCC ID: HYQ14AEH
FCC ID: HYQ13CZM FCC ID: HYQ13CZN
FCC ID: NI4TMLF8-20
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.

74 1-2. Opening, closing and locking the doors
SIENNA_U (OM45477U)
■If the power sliding door is inop erative (vehicles with power sliding
doors)
When the power sliding door detects an abnormality and stops opening and
can not be completely closed manually, cancel the function as follows and
close the door manually.
After that, have the vehicle inspected and repaired by your Toyota dealer.
■ When the battery is disconnected ( vehicles with power sliding doors)
The power sliding door system must be initialized in order to ensure proper
operation. To initialize it, close the sliding doors completely by hand.
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. opening and closing operation) can be changed.
(Customizable features: P. 815)
Remove the plug from the rear edge of
the sliding door.
Insert a key in the hole and push the
mechanical cancel lever.STEP1
STEP2

571
3-6. Using the interior lights
3
Interior features
SIENNA_U (OM45477U)
■
Adjusting the rear person al/interior lights angle
■ Illuminated entry system (if equipped)
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
If the lights remain on when a door is not fully closed and the personal/inte-
rior light main switch is in door position, the lights will go off automatically
after 30 seconds.
■ 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. 815)
NOTICE
■Rear ceiling lights (if equipped)
Do not hang anything on the gap between the ceiling light cover and the ceil-
ing or pull the ceiling light cover strongly.
Doing so may cause damage.
Push the edge of the light lens.

845
Alphabetical index
SIENNA_U (OM45477U)
Back-up lights
Replacing light bulbs ............ 709
Wattage ................................ 796
Back door Back door ............................... 82
Wireless remote control.......... 53
Battery Checking .............................. 667
If the vehicle has discharged battery ............. 770
Preparing and checking before winter ...................... 352
Bluetooth
® audio ..................... 470
Bluetooth® phone .................... 529
Bottle holder ............................ 582
Brake
Fluid...................................... 665
Parking brake ....................... 242
Brake assist ............................. 327
Break-in tips ............................ 214
Brightness control Instrument light control ......... 245
Care Exterior ................................. 630
Interior .................................. 635
Seat belts ............................. 636
Cargo capacity ........................ 343
Cargo hooks ............................ 607
CD changer .............................. 422
CD player ................................. 422
Chains ...................................... 352 Child restraint system
Booster seats, definition ........189
Booster seats, installation .....194
Convertible seats, definition .............................189
Convertible seats,
installation ...........................194
Front passenger occupant classification system ...........183
Infant seats, definition ...........189
Infant seats, installation.........194
Installing CRS with LATCH anchors ..........197, 199
Installing CRS with seat belts ............................201
Installing CRS with top tether strap............205, 206
Child safety
Airbag precautions ................177
Back door precautions ............88
Battery precautions .......669, 774
Child restraint system............189
Child-protectors .......................71
How your child should wear the seat belt ........................132
Installing child restraints ........194
Moon roof precautions ..........154
Power window lock switch.....144
Power window precautions ...147
Removed key battery precautions .........................695
Seat belt extender precautions .........................136
Seat belt precautions ............133
Seat heater precautions ........599
Child-protectors .........................71
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