Page 585 of 876

585
3-6. Using the interior lights
3
Interior features
SIENNA_OM_OM45472U_(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. 831)
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 605 of 876
605
3-8. Other interior features
3
Interior features
SIENNA_OM_OM45472U_(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 718 of 876

718 4-3. Do-it-yourself maintenance
SIENNA_OM_OM45472U_(U)
FuseAmpereCircuit
35 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
36 RAD NO.1 15 A Audio system
37 DOME 7.5 A Vanity lights, personal/interior
lights, personal lights, engine
switch light, rear ceiling lights, door
courtesy lights, luggage compart-
ment light, gauges and meters,
clock
38 ECU-B 10 A Main 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
39 ETCS 10 A Multiport fuel injection system/
sequential multiport fuel injection
system
40 A/F 20 A Multiport fuel injection system/
sequential multiport fuel injection
system
41 STRG LOCK
*620 A Steering lock system
42 ALT-S 7.5 A Charging system
Page 778 of 876

778
5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(U)
If the engine will not star t
If the engine will not start even though correct starting procedures
are being followed ( P. 226, 229), 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. 226, 229)
● There may be a malfunction in the engine immobilizer system
(if equipped). ( P. 159)
■ 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. 786)
● The battery terminal connec tions may be loose or corroded.
■ The starter motor does not turn over.
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.
Page 779 of 876

5
When trouble arises
779
5-2. Steps to take in an emergency
SIENNA_OM_OM45472U_(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. 786)
● 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 812 of 876
812 6-1. Specifications
SIENNA_OM_OM45472U_(U)
Light bulbs
A: D4S discharge bulbsB: 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/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
Interior Front personal/interior lights W5W 5 D
Rear personal/interior lights W5W 5 D
Luggage compartment light
5F
Vanity lights 2.8 F
Front door courtesy lights 5D
Page 861 of 876

861
Alphabetical index
SIENNA_OM_OM45472U_(U)
Back-up lights
Replacing light bulbs ............ 725
Wattage ................................ 812
Back door Back door ............................... 82
Wireless remote control.......... 53
Battery Checking .............................. 683
If the vehicle has discharged battery ............. 786
Preparing and checking before winter ...................... 367
Blind Spot Monitor .................. 346
Bluetooth
® audio ..................... 484
Bluetooth® phone .................... 543
Bottle holder ............................ 596
Brake Fluid...................................... 681
Parking brake ....................... 242
Brake assist ............................. 329
Break-in tips ............................ 214
Brightness control Instrument light control ......... 245
BSM .......................................... 346
Care Exterior ................................. 646
Interior .................................. 651
Seat belts ............................. 652
Cargo capacity ........................ 358
Cargo hooks ............................ 622
CD changer .............................. 436
CD player ................................. 436
Chains ...................................... 367 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 .......685, 790
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 .........................711
Seat belt extender precautions .........................136
Seat belt precautions ............133
Seat heater precautions ........613
Child-protectors .........................71
B
C
Page 862 of 876

862 Alphabetical index
SIENNA_OM_OM45472U_(U)
CleaningExterior .................................. 646
Interior ...................................651
Seat belts ..............................652
Clock ................................. 254, 606
Compass ...................................632
Condenser ................................680
Console box ............................. 589
Conversation mirror ................607
Cooling system Engine overheating ............... 791
Cruise control
Cruise control ....................... 295
Dynamic radar cruise control .................................300
Cup holders ..............................593
Curtain shield airbags ............. 168
Customizable features............. 831 Daytime running light
system .................................... 272
Defogger
Rear window ......................... 419
Side mirrors........................... 419
Dimension ................................ 800
Dinghy towing .......................... 391
Display Dynamic radar cruise
control ................................. 300
Multi-information display ....... 254
Trip information ..................... 254
Warning messages ............... 760
Do-it-yourself maintenance .... 663
Door courtesy lights Door courtesy lights .............. 580
Wattage................................. 812
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........................... 140
Sliding doors ........................... 67
Driver’s seat belt reminder light ......................................... 749
Driving Break-in tips .......................... 214
Correct posture ..................... 166
Procedures............................ 212
Winter driving tips ................. 367
Driving position memory ........ 120
DVD player........ 513, 523, 527, 528D