
535
SIENNA_OM_01999-08001_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If you think something is wrong
●Fluid leaks under the vehicle
(Water dripping from the air co nditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature gauge needle continually points higher
than normal
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
● Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, spon gy feeling, pedal almost touches
the floor
If you notice any of the follow ing symptoms, your vehicle proba-
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

537
SIENNA_OM_01999-08001_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If a warning light turns on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
Charging system warning light*2
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Low engine oil pressure warning light (warning
buzzer)
*2
Indicates that the engine oil pressure is too low.
Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transaxle control system
Have the vehicle inspected by your Toyota dealer
immediately.

5508-2. Steps to take in an emergency
SIENNA_OM_01999-08001_(U)
Indicates a malfunction in the tire pressure
warning system
Stop the vehicle in a safe place and turn
the engine switch off then on again.
If the tire pressure warning indicator
flashes for 1 minute then illuminates,
have the vehicle inspected by your Toy-
ota dealer.
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
Immediately stop the vehicle in a safe place
and contact your Toyota dealer. Continuing
to drive the vehicle may be dangerous.
Indicates that the vehicle is being driven at 3 mph
(5 km/h) or more with the parking brake still
engaged A buzzer also sounds.
Release the parking brake.
Warning messageDetails/Actions
(U.S.A.) (Canada)
(U.S.A.) (Canada) (Flashes)

5558-2. Steps to take in an emergency
SIENNA_OM_01999-08001_(U)
8
When trouble arises
Indicates that the accelerator and brake pedal
are being depressed simultaneously
Release the accelerator or brake pedal.
Indicates that the washer fluid level is low
Add washer fluid.
Indicates that remaining fuel is approximately 3.0
gal. (11.4 L, 2.5 Imp.gal.) or less
Refuel the vehicle.
(U.S.A. only)
Indicates that all maintenance according to the
driven distance on the maintenance schedule
*
should be performed soon.
Comes on approximately 4500 miles (7200 km)
after the message has been reset.
If necessary, perform maintenance.
Warning messageDetails/Actions
(Flashes)

600
SIENNA_OM_01999-08001_(U)
9-1. Specifications
*1: Minimum pedal clearance when depressed with a force of 110 lbf (490 N,50 kgf) while the engine is running
*2: Parking brake pedal travel when depressed with a force of 67.4 lbf (300 N,30.6 kgf)
17-inch tires
18-inch tires
Brakes
Pedal clearance*12.99 in. (76 mm)
Pedal free play 0.04 0.24 in. (1 6 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit 0.04 in. (1.0 mm)
Parking brake pedal travel*23 6 clicks
Fluid type SAE J1703 or FMVSS No.116 DOT 3
Steering
Free play Less than 1.2 in. (30 mm)
Tires and wheels
Tire sizeP235/60R17 100T
Tire inflation pressure
(Recommended cold tire
inflation pressure)Front:
35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear:
35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Wheel size 17 x 7J
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size P235/55R18 99V, P235/55RF18 99T
Tire inflation pressure
(Recommended cold tire
inflation pressure)Front:
35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear:
35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Wheel size 18 x 7J
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

650Alphabetical index
SIENNA_OM_01999-08001_(U)
AlarmAlarm ...................................... 77
Warning buzzer..................... 537
Anchor brackets ........................ 60
Antenna Smart key system ................. 142
Radio .................................... 336
Anti-lock brake system
(ABS) ...................................... 291 Function ................................ 291
Warning light ......................... 538
Warning message ................. 549
Approach warning ................... 266
Armrest ..................................... 440
Assist grips .............................. 441
Audio input
*............................ 322
Audio system
*......................... 316
Antenna ................................ 336
A/V input port
*
Audio input*.......................... 322
Audio visual input
*
AUX port/USB port*............. 322
Blu-ray Disc™
*
CD player*............................ 337
DVD disc
*
DVD player*
HDMI port*
iPod*.................................... 343
MP3/WMA disc
*................... 337
Optimal use
*........................ 334
Portable music player
*......... 352
Radio
*.................................. 335
Rear seat entertainment
system
*
Steering wheel audio switch
*............................... 320
USB memory
*...................... 347
Audio visual input
*
Automatic High Beam ............. 242 Warning message ................. 554
Automatic light control system .................................... 240 Automatic transaxle
Automatic transaxle .............. 231
If the shift lever cannot be
shifted from P ..................... 580
S mode ................................. 232
AUX port
*................................. 322
Auxiliary box ........................... 430
A/V input port
*
Back door ................................. 132
Back-up lights Replacing light bulbs ............ 522
Wattage ................................ 602
Battery Battery checking ................... 484
If the vehicle has discharged battery.............. 583
Preparing and checking before winter ...................... 311
Warning light......................... 537
Warning message................. 551
Blind Spot Monitor (BSM) ....... 303
Bluetooth
®
Audio system*...................... 364
Hands-free system
*
(for cellular phone) ............. 366
Bottle holder ............................ 428
Brake Fluid ...................................... 483
Parking brake ....................... 236
Warning light......................... 537
Warning message......... 550, 554
Brake assist ............................. 291
Break-in tips............................. 193
Brightness control Instrument light control ........... 89
BSM (Blind Spot Monitor) ....... 303 Blind Spot Monitor
function............................... 306
Rear Cross Traffic Alert function............................... 308
B

654Alphabetical index
SIENNA_OM_01999-08001_(U)
Flat tire.............................. 562, 564
Floor mats .................................. 24
FluidAutomatic transaxle .............. 599
Brake .................................... 483
Transfer ................................ 599
Washer ................................. 487
Fog lights
Light switch ........................... 247
Replacing light bulbs............. 515
Wattage ................................ 602
Front automatic air conditioning system ............. 404
Front doors .............................. 110
Front passenger occupant
classification system .............. 50
Front seats ............................... 148
Adjustment ............................ 148
Cleaning................................ 463
Correct driving posture ........... 26
Driver’s seat position memory .............................. 168
Head restraints ..................... 172
Power easy access
system ......... ....................... 168
Seat heaters ......................... 416
Seat position memory ........... 168
Front side marker lights Light switch ........................... 237
Replacing light bulbs..... 517, 519
Wattage ................................ 602
Front turn signal lights Replacing light bulbs..... 517, 518
Turn signal lever ................... 235
Wattage ................................ 602 Fuel
Capacity................................ 596
Fuel gauge.............................. 88
Fuel pump shut off system ... 536
Gas station information......... 664
Information............................ 603
Refueling .............................. 254
Type...................................... 596
Warning light......................... 539
Warning message................. 555
Fuel consumption
information ............................ 100
Fuel filler door ......................... 254 Refueling .............................. 254
Fuel pump shut off system..... 536
Fuses ........................................ 506
Garage door opener ................ 444
Gauges ....................................... 87
Glove box ................................. 423
Grocery bag hooks.................. 443
F
G

662Alphabetical index
SIENNA_OM_01999-08001_(U)
USB memory ............................ 347
USB port ................................... 322
Valet key ................................... 104
Vanity lightsVanity lights .......................... 435
Wattage ................................ 602
Vanity mirrors .......................... 435 Vanity lights .......................... 435
VDIM (Vehicle Dynamics
Integrated Management)....... 292
Vehicle data recordings .............. 9
Vehicle identification number ................................... 595
Vehicle stability control (VSC) ...................................... 291
Voice command system
*....... 400
VSC (Vehicle Stability Control) .................................. 291
Warning buzzers Brake system ....... ................. 537
Electric power steering system ......... ....................... 538
Key reminder ........................ 560
Low engine oil pressure ........ 537
Open door ............................. 539
Seat belt reminder ................ 539 Warning lights
ABS ...................................... 538
Brake system ....... ................. 537
Charging system................... 537
Electric power steering system .......... ...................... 538
Low engine oil pressure........ 537
Low fuel level ........................ 539
Malfunction indicator lamp .... 537
Master warning light ............. 539
Open door............................. 539
Pre-collision system.............. 538
Seat belt reminder light......... 539
Slip indicator light ................. 538
SRS airbags ......................... 538
Third seat warning light ........ 539
Tire pressure warning light ... 539
Warning messages.................. 546
Washer Checking............................... 487
Low washer fluid warning
message............................. 555
Preparing and checking
before winter ...................... 311
Switch ........................... 248, 252
Washing and waxing ............... 460
Weight Cargo capacity...................... 207
Load limits ............................ 594
Weight .................................. 594
Wheels ...................................... 499 Replacing wheels ................. 564
Size....................................... 600
Window glasses ..................... 183
Window lock switch ................ 183
U
V
W