
604
SIENNA_OM_OM08007U_(U)
9-1. Specifications
Cooling system
Capacity
Without towing package
12.2 qt. (11.5 L, 10.1 Imp.qt.)
With towing package
12.5 qt. (11.8 L, 10.4 Imp.qt.)
Coolant type Use either of the following.
• “Toyota Super Long Life Coolant”
• A similar high-quality ethylene glycol-basednon-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.
Ignition system
Spark plug
Make
Gap DENSO FK20HBR8
0.03 in. (0.8 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust spark plug gap.
Electrical system
Battery
Open voltage* at
68 F (20 C): 12.3 V or more
If the voltage is lower than the standard value,
charge the battery.
(
*: Voltage checked 20 minutes after the engine
and all the lights turned off)
Charging rates 5 A max.

618
SIENNA_OM_OM08007U_(U)
9-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressure Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressure The maximum cold inflat
ed pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended
inflation pressure Cold tire inflation pressure recommended by a
manufacturer
Accessory weight The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent
that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded
vehicle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight 150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distribution Distribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty battery, and special trim

657Alphabetical index
SIENNA_OM_OM08007U_(U)
CareAluminum wheels.................. 469
Exterior ................................. 468
Interior................................... 471
Seat belts .............................. 472
Cargo capacity ......................... 209
Cargo hooks............................. 441
CD player
*................................ 342
Chains....................................... 318
Child restraint system ............... 56 Booster seats, definition ......... 57
Booster seats, installation ....... 68
Convertible seats, definition ............................... 57
Convertible seats, installation ............................ 66
Front passenger occupant
classification syst em............. 50
Infant seats, definition ............. 56
Infant seats, installation .......... 60
Installing CRS with LATCH anchors .............. 62, 64
Installing CRS with
seat belts .............................. 66
Installing CRS with top tether strap ............... 69, 70 Child safety ................................ 55
Airbag precautions.................. 39
Back door precautions .......... 139
Battery precautions........ 494,593
Child restraint system ............. 56
How your child should wear
the seat belt.......................... 32
Installing child restraints ......... 60
Moon roof precautions .......... 191
Power window lock switch .... 184
Power window precautions ... 186
Removed key battery
precautions......................... 513
Seat belt extender
precautions........................... 35
Seat belt precautions .............. 34
Seat heater precautions ....... 424
Sliding door child-protectors................... 125
Child-protectors ...................... 125
Cleaning
Aluminum wheels ................. 469
Exterior ................................. 468
Interior .................................. 471
Seat belts.............................. 472
Clock......................................... 444
Compass .................................. 457
Condenser................................ 491
Console box ............................. 432
Conversation mirror ................ 444
Cooling system........................ 489 Engine overheating............... 594
Cruise control
Cruise control ...................... 262
Dynamic radar cruise control ................................ 266
Cup holders ............................. 434
Curtain shield airbags............... 36
Customizable features ............ 623
C
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”

659Alphabetical index
SIENNA_OM_OM08007U_(U)
Emergency, in case ofIf a warning buzzer
sounds ................................ 545
If a warning light turns on...... 545
If a warning message is displayed ............................ 554
If the battery is discharged.... 590
If the electronic key does not operate properly ........... 588
If the engine will not start ...... 586
If you have a flat tire .... 570, 572
If you lose your keys ............. 107
If you think something is wrong.................................. 543
If your vehicle becomes stuck ................................... 597
If your vehicle has to be
stopped in an emergency ... 537
If your vehicle needs to be towed .................................. 539
If your vehicle overheats ....... 594
Engine “ACC” position ...................... 225
Accessory mode ................... 229
Compartment ........................ 486
Engine switch................ 225, 228
Hood ..................................... 483
How to start the
engine......................... 225, 228
Identification number ............ 601
If the engine will not start ...... 586
Ignition switch (engine switch) ........... 225, 228
Overheating .......................... 594 Engine coolant
Capacity................................ 604
Checking............................... 489
Preparing and checking before winter ...................... 317
Engine coolant temperature gauge ....................................... 88
Engine immobilizer system ...... 75
Engine oil
Capacity................................ 602
Checking............................... 487
Oil pressure warning light ..... 545
Oil pressure warning message............................. 561
Preparing and checking before winter ...................... 317
Engine switch .................. 225, 228
EPS (Electronic Power Steering)
Function ................................ 297
Warning light......................... 546
Warning message................. 557
Event data recorder (EDR)........ 10
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”

662Alphabetical index
SIENNA_OM_OM08007U_(U)
Keyless entrySmart key system ................. 143
Wireless remote control ........ 105
Keys Battery-saving function ......... 145
Electronic key ....................... 104
Engine switch................ 225, 228
If you lose your keys ............. 107
If the electronic key does
not operate properly ........... 588
Key number plate.................. 104
Keyless entry
................... 105, 110, 121, 133
Keys ...................................... 104
Mechanical key ..................... 104
Replacing the battery ............ 511
Warning buzzer..................... 144
Wireless remote control ........ 105
Knee airbags .............................. 36
Language (multi-information display)................................... 625
LATCH anchors ......................... 60
Lever Auxiliary catch lever .............. 483
Hood lock release lever ........ 483
Shift lever .............................. 233
Tilt and telescopic steering lock release lever ............... 177
Turn signal lever ................... 240
Wiper lever.................... 253, 257 License plate lights
Light switch ........................... 242
Replacing light bulbs ............ 531
Wattage ................................ 608
Light bulbs
Replacing.............................. 517
Wattage ................................ 608
Lights
Automatic High Beam system .......... ...................... 247
Door courtesy lights .............. 427
Engine switch light ................ 427
Fog light switch ..................... 252
Headlight switch ................... 242
Illuminated entry system ....... 429
Interior light switch ................ 428
Luggage compartment
light..................................... 137
Outer foot lights .................... 427
Personal light switch ............. 428
Rear ceiling lights ................. 429
Replacing light bulbs ............ 517
Turn signal lever ................... 240
Vanity lights .......................... 443
Wattage ................................ 608
Load capacity .......................... 209
Lock steering column ..... 226, 231
Luggage compartment light Switch ................................... 137
Wattage ................................ 608
K
L