Page 587 of 872

587
3-6. Using the interior lights
3
Interior features
SIENNA_OM_OM45483U_(U)
■
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. 828)
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.
Page 607 of 872
607
3-8. Other interior features
3
Interior features
SIENNA_OM_OM45483U_(U)
Vanity mirrors
NOTICE
■To prevent battery discharge
Do not leave the vanity lights on for extended periods while the engine is off.
Flip down.
Open the cover.
The light turns on when the
cover is opened.
Page 717 of 872

717
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45483U_(U)
FuseAmpereCircuit
32 ALT 140 A Charging system, horn, left-hand
headlight (low beam), right-hand
headlight (low beam), fog light, out-
side rear view mirror heaters, rear
window defoggers, windshield
wiper de-icer
33 RAD NO.1 15 A Audio system
34 DOME 7.5 AVanity lights, personal/interior
lights, personal lights, engine
switch light, rear ceiling lights, door
courtesy lights, luggage compart-
ment light, gauges and meters,
clock
35 ECU-B 10 AMain body ECU, smart key system,
wireless remote control, power
back door, power sliding door, rear
view monitor, multi information dis-
play, power window, outside rear
view mirror control, steering angle
sensor, auto-anti glare inside rear
view mirror, AUTO ACCESS SEAT
remote control, front passenger
occupant classification system
36 ETCS 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
37 A/F 20 AMultiport fuel injection system/
sequential multiport fuel injection
system
38 STRG LOCK
*420 A Steering lock system
39 ALT-S 7.5 A Charging system
Page 776 of 872

776
5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
If the engine will not star t
If the engine will not start even though correct starting procedures
are being followed ( P. 228, 231), consider each of the following
points:
■ The engine will not start even though the starter motor
operates normally.
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting proce-
dures. ( P. 228, 231)
● There may be a malfunction in the engine immobilizer system
(if equipped). ( P. 160)
■ The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at
a low volume.
One of the following may be the cause of the problem:
●The battery may be discharged. ( P. 784)
● The battery terminal connec tions may be loose or corroded.
■ The starter motor does not turn over (vehicles with a smart
key system)
The engine starting system may be malfunctioning due to an
electrical problem such as an open circuit or a blown fuse. How-
ever, an interim measure is available to start the engine.
( P. 777)
Page 777 of 872

5
When trouble arises
777
5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
Emergency start function (vehicles with a smart key system)
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START STOP”
switch is functioning normally: Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about
15 seconds while depressing the brake pedal firmly.
Even if the engine can be start ed using the above steps, the system
may be malfunctioning. Have the vehicle inspected by your Toyota
dealer.
■ The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem:
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 784)
● There may be a malfunction in the steering lock system (vehi-
cle with a smart key system).
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3
STEP4
Page 809 of 872
809
6-1. Specifications
6
Vehicle specifications
SIENNA_OM_OM45483U_(U)
Light bulbs
A: D4S discharge bulbs
B: H11 halogen bulbs
C: HB3 halogen bulbs
D: Wedge base bulbs (clear)
E: Wedge base bulbs (amber)
F: Double end bulbs
Light bulbsBulb No.WTy pe
Exterior
Headlights (low beam)
Discharge bulbs
Halogen bulbs
35
55 A
B
Headlights (high beam) 9005 60 C
Front fog lights 55 B
Front turn signal/parking and
front side marker lights 3457NAK 28/8 E
Rear turn signal lights WY21W 21 E
Tail lights W5W 5 D
Back-up lights 921 16 D
License plate lights W5W 5 D
Outer foot lights W6W 6 D
InteriorFront personal/interior lights W5W 5 D
Rear personal/interior lights
W5W/1685D
Luggage compartment light 3022 5 F
Vanity lights 7065T2 2.8 F
Front door courtesy lights 194 5 D
Page 857 of 872

857
Alphabetical index
SIENNA_OM_OM45483U_(U)
Back-up lights
Replacing light bulbs ............ 724
Wattage ................................ 809
Back door Back door ............................... 82
Wireless remote control.......... 53
Battery Checking .............................. 683
If the vehicle has discharged battery ............. 784
Preparing and checking before winter ...................... 369
Blind Spot Monitor .................. 348
Bluetooth
® audio ..................... 486
Bluetooth® phone .................... 545
Bottle holder ............................ 598
Brake Fluid...................................... 681
Parking brake ....................... 244
Brake assist ............................. 331
Break-in tips ............................ 216
Brightness control Instrument light control ......... 247
BSM .......................................... 348
Care Exterior ................................. 648
Interior .................................. 653
Seat belts ............................. 654
Cargo capacity ........................ 360
Cargo hooks ............................ 624
CD changer .............................. 438
CD player ................................. 438
Chains ...................................... 369 Child restraint system
Booster seats, definition ........191
Booster seats, installation .....196
Convertible seats, definition .............................191
Convertible seats,
installation ...........................196
Front passenger occupant classification system ........... 185
Infant seats, definition ...........191
Infant seats, installation.........196
Installing CRS with LATCH anchors ..........199, 201
Installing CRS with seat belts ............................203
Installing CRS with top tether strap............207, 208
Child safety
Airbag precautions ................179
Back door precautions ............88
Battery precautions .......685, 788
Child restraint system............191
Child-protectors .......................71
How your child should wear the seat belt ........................133
Installing child restraints ........196
Moon roof precautions ..........155
Power window lock switch.....145
Power window precautions ...148
Removed key battery precautions .........................710
Seat belt extender precautions .........................137
Seat belt precautions ............134
Seat heater precautions ........615
Child-protectors .........................71
B
C
Page 858 of 872

858 Alphabetical index
SIENNA_OM_OM45483U_(U)
CleaningExterior .................................. 648
Interior ................................... 653
Seat belts .............................. 654
Clock ................................. 256, 608
Compass ................................... 634
Condenser ................................ 680
Console box ............................. 591
Conversation mirror ................609
Cooling system Engine overheating ............... 790
Cruise control
Cruise control ....................... 297
Dynamic radar cruise control ................................. 302
Cup holders .............................. 595
Curtain shield airbags ............. 170
Customizable features............. 828 Daytime running light
system .................................... 274
Defogger
Rear window ......................... 421
Side mirrors........................... 421
Dimension ................................ 798
Dinghy towing .......................... 393
Display Dynamic radar cruise
control ................................. 302
Multi-information display ....... 256
Trip information ..................... 256
Warning messages ............... 758
Do-it-yourself maintenance .... 665
Door courtesy lights Door courtesy lights .............. 582
Wattage................................. 809
Door lock
Back door ................................ 82
Front door ............................... 60
Sliding door ............................. 67
Wireless remote control key ........................................ 53
Doors Back door ................................ 82
Door lock ..................... 53, 60, 68
Front doors.............................. 60
Side mirrors........................... 141
Sliding doors ........................... 67
Driver’s seat belt reminder light ......................................... 747
Driving Break-in tips .......................... 216
Correct posture ..................... 168
Procedures............................ 214
Winter driving tips ................. 369
Driving position memory ........ 121
DVD player........ 515, 525, 529, 530D