Page 687 of 872
687
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45483U_(U)
Washer fluid
If any washer does not work or
the low washer fluid warning light
comes on, the washer tank may
be empty. Add washer fluid.
CAUTION
■When refilling washer fluid
Do not refill washer fluid when the engine is hot or running, as washer fluid
contains alcohol and may catch fire if spilled on the engine etc.
NOTICE
■Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
■ Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bot-
tle.
Page 748 of 872
748 5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
Warning lightWarning light/DetailsCorrection procedure
Tire pressure warning
light
When the light comes on:
Low tire inflation pressure
such as
• Natural causes (P. 752)
• Flat tire ( P. 759, 761) Adjust the tire inflation
pressure to the specified
level.
The light will turn off after
a few minutes. In case
the light does not turn off
even if the tire inflation
pressure is adjusted,
have the system checked
by your Toyota dealer.
When the light comes on
after blinking for 1 minute:
Malfunction in the tire
pressure warning system
( P. 754) Have the system checked
by your Toyota dealer.
Low windshield washer
fluid warning light
Low level of washer fluid Fill the tank.
Page 860 of 872

860 Alphabetical index
SIENNA_OM_OM45483U_(U)
Floor mat................................... 622
FluidBrake ..................................... 681
Washer .................................. 687
Fog lights Replacing light bulbs ............. 724
Switch.................................... 284
Wattage ................................. 809
Front fog lights
Replacing light bulbs ............. 724
Switch.................................... 284
Wattage ................................. 809
Front passenger occupant classification system ............ 185
Front passenger’s seat belt
reminder light......................... 747
Front seats Adjustment ..............................95
Driver’s seat position
memory ............................... 121
Front side marker lights Replacing light bulbs ............. 724
Switch.................................... 270
Wattage ................................. 809
Front turn signal lights
Replacing light bulbs ............. 724
Switch.................................... 243
Wattage ................................. 809
Fuel Capacity ................................ 800
Fuel gauge ............................ 246
Fuel pump shut off system .... 742
Gas station information ......... 872
Information ............................ 810
Refueling ............................... 156
Type ...................................... 800
Fuel door................................... 156
Fuel filler door .......................... 156
Fuel pump shut off system ..... 742
Fuses......................................... 711 Garage door opener ................ 626
Gauges...................................... 246
Glove box ................................. 589
Grocery bag hooks .................. 620
Hands-free system
(for cellular phone) ................ 545
Head restraints
Adjusting .............................. 126
Headlights Manual headlight leveling
dial ...................................... 273
Replacing light bulbs ............. 724
Switch ................................... 270
Wattage................................. 809
Heaters Seat heaters.......................... 614
Side mirror ............................ 421
Hill-start assist control ............ 337
Hood.......................................... 669
Hooks Cargo .................................... 624
Grocery bag .......................... 620
Horn .......................................... 245FG
H
Page 865 of 872

865
Alphabetical index
SIENNA_OM_OM45483U_(U)
Towing
Dinghy towing ....................... 393
Trailer towing ........................ 373
Traction control ....................... 331
TRAC ........................................ 331
Trailer towing........................... 373
Trip information display ......... 256
Trip meter................................. 246
Turn signal lights Replacing light bulbs ............ 724
Switch ................................... 243
Wattage ................................ 809
Valet key..................................... 32
Vanity lights Vanity lights .......................... 607
Wattage ................................ 809
Vanity mirrors .......................... 607
VDIM ......................................... 332
Vehicle data recordings............ 26
Vehicle identification number................................... 799
Vehicle stability control .......... 331
VSC ........................................... 331 Warning buzzers
Brake system ........................743
Open door .............................747
Seat belt reminder .................747
Warning lights Active Torque Control 4WD
system ................................750
Anti-lock brake system ..........745
Automatic High Beam indicator light.......................746
Brake assist system ..............745
Brake system ........................743
Charging system .... ...............744
Cruise control indicator light...746
Electric power steering
system ................................745
Low engine oil pressure ........744
Low fuel level ........................747
Low washer fluid ...................748
Maintenance required reminder light ......................749
Malfunction indicator lamp ....744
Master warning light ..............747
Open door .............................747
Pre-collision system ..............745
Pretensioners ........................744
Radar cruise control indicator light.......................746
Seat belt reminder light .........747
Slip indicator light ..................745
SRS airbags ..........................744
Third seat warning light ......... 749
Tire pressure warning light ....748
Warning messages ..................758
Washer
Checking ...............................687
Preparing and checking before winter .......................369
Switch............................286, 294
Washing and waxing ...............648V
W
Page 869 of 872

869
What to do if...
SIENNA_OM_OM45483U_(U)
■
Warning lights
P. 747
or
P. 7 4 3P. 747
P. 7 4 4P. 747
P. 7 4 4P. 749
P. 745
or
P. 7 4 4P. 747
P. 7 4 4P. 747
P. 750
or
P. 7 4 5P. 745
P. 7 4 5P. 746
P. 7 4 9P. 746
P. 7 4 8P. 746
P. 7 4 8P. 745
*: The light flashes to indicate a malfunction.
Brake system warning
lightOpen door warning light
Driver’s seat belt
reminder light
Charging system
warning lightFront passenger’s seat belt
reminder light
Low engine oil pressure
warning lightThird seat warning light
Malfunction indicator
lamp
Master warning light
SRS warning lightLow fuel level warning
light
“ABS” warning light
Pre-collision system
warning light
*
Slip indicator lightCruise control indicator
light
*
Maintenance required
reminder lightRadar cruise control
indicator light
*
Tire pressure warning
lightAutomatic High Beam
indicator light
*
Low washer fluid
warning lightBSM warning light
Electric power steering
system warning light
Active torque control
4WD system warning
light