2014 TOYOTA SIENNA check engine

292 2-3. Operating the lights and wipers
SIENNA_OM_OM45483U_(U)
■The windshield wipers and washer can be operated when
Vehicles without a smart key system:
The engine switch is in the “ON” position.
Vehicles with a smart key system:
The “ENGINE START STOP” switch is in IGNITION ON mode.
■ Raindrop sensor (vehicles with rain-sensing windshield wipers)
●If the wiper switch is turned to “AUTO” position while the “ENGINE
START STOP” switch is in IGNITIO N ON mode, the wiper will operate
once to show that “AUTO” mode is activated.
● If the temperature of the raindrop sensor is 185°F (85°C) or higher, or
14°F (-10°C) or lower, automatic operation may not occur. In this case,
operate the wipers in any mode other than “AUTO”.
■ If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the
windshield washer fluid reservoir.
●The raindrop sensor judges the amount
of raindrops.

295
2-3. Operating the lights and wipers
2
When driving
SIENNA_OM_OM45483U_(U)
■
The rear window wiper and w asher can be operated when
Vehicles without a smart key system:
The engine switch is in the “ON” position.
Vehicles with a smart key system:
The “ENGINE START STOP” switch is in IGNITION ON mode.
■ If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the
windshield washer fluid reservoir.
Ty p e B
Off
Intermittent window
wiper operation
Normal window
wiper operation
Washer/wiper dual
operation
Washer/wiper dual
operation

369
2-5. Driving information
2
When driving
SIENNA_OM_OM45483U_(U)
Winter driving tips
Carry out the necessary preparations and inspections before driving
the vehicle in winter. Always drive the vehicle in a manner appropri-
ate to the prevailing weather conditions.
■ Pre-winter preparations
●Use fluids that are appropriate to the prevailing outside tem-
peratures.
• Engine oil
• Engine coolant
• Washer fluid
● Have a service technician inspect the level and specific grav-
ity of battery electrolyte.
● Have the vehicle fitted with four snow tires or purchase a set
of tire chains for the front tires.
Ensure that all tires are the same size and brand, and that chains
match the size of the tires.
■Before driving the vehicle
Perform the following according to the driving conditions:
●Do not try to forcibly open a window or move a wiper that is
frozen. Pour warm water over the frozen area to melt the ice.
Wipe away the water immediately to prevent it from freezing.
● To ensure proper operation of th e climate control system fan,
remove any snow that has accumulated on the air inlet vents
in front of the windshield.
● Remove any ice that has accumu lated on the vehicle chassis.
● Periodically check for and remove any excess ice or snow
that may have accumulated in the wheel well or on the
brakes.

623
3-8. Other interior features
3
Interior features
SIENNA_OM_OM45483U_(U)
CAUTION
Observe the following precautions.
Failure to do so may cause the driver’s floor mat to slip, possibly interfering
with the pedals while driving. An unexpectedly high speed may result or it may
become difficult to stop the vehicle, leading to a serious accident.
■
When installing the driver’s floor mat
●Do not use floor mats designed for other models or different model year
vehicles, even if they are Toyota Genuine floor mats.
● Only use floor mats designed for the driver’s seat.
● Always install the floor mat securely using the retaining hooks (clips) pro-
vided.
● Do not use two or more floor mats on top of each other.
● Do not place the floor mat bottom-side up or upside-down.
■ Before driving
●Check that the floor mat is securely
fixed in the correct place with all the
provided retaining hooks (clips). Be
especially careful to perform this check
after cleaning the floor.
● With the engine stopped and the shift
lever in P, fully depress each pedal to
the floor to make sure it does not inter-
fere with the floor mat.

Maintenance and care4
647
SIENNA_OM_OM45483U_(U)
4-1. Maintenance and careCleaning and protecting the vehicle exterior ......... 648
Cleaning and protecting the vehicle interior .......... 653
4-2. Maintenance Maintenance requirements .................. 657
General maintenance....... 660
Emission inspection and maintenance (I/M)
programs........................ 664
4-3. Do-it-yourself maintenance Do-it-yourself service precautions .................... 665
Hood ................................ 669
Positioning a floor jack ..... 671
Engine compartment ........ 673
Tires ................................. 688
Tire inflation pressure ...... 699
Wheels ............................. 703
Air conditioning filter......... 706
Wireless remote control/ electronic key battery ..... 708
Checking and replacing fuses .............................. 711
Light bulbs........................ 724

660
4-2. Maintenance
SIENNA_OM_OM45483U_(U)
General maintenance
Engine compartment
ItemsCheck points
Battery Check connections. ( P. 683)
Brake fluid Is the brake fluid at the correct
level? (
P. 681)
Engine coolant Is the engine coolant at the
correct level? (
P. 678)
Engine oil Is the engine oil at the correct
level?
(P. 674)
Exhaust system There should not be any fumes or
strange sounds.
Radiator/condenser The radiator and condenser
should be free from foreign
objects.
(P. 680)
Washer fluid Is there sufficient washer fluid?
(P. 687)
Listed below are the general maintenance items that should be per-
formed at the intervals specified in the “Owner’s Warranty Informa-
tion Booklet” or “Owner’s Manual Supplement/Scheduled
Maintenance Guide”. It is recommended that any problem you notice
should be brought to the attention of your Toyota dealer or qualified
service shop for advice.

663
4-2. Maintenance
4
Maintenance and care
SIENNA_OM_OM45483U_(U)
Vehicle exterior
ItemsCheck points
Doors • Do the doors operate smoothly?
Engine hood • Does the engine hood lock sys-
tem work properly?
Fluid leaks • There should not be any signs of
fluid leakage after the vehicle has
been parked.
Tires • Is the tire inflation pressure cor-
rect?
• The tires should not be dam- aged or excessively worn.
• Have the tires been rotated according to the maintenance
schedule?
• The wheel nuts should not be loose.
Windshield wipers/rear window
wiper • The wiper blades should not show
any signs of cracking, splitting,
wear, contamination or deforma-
tion.
• The wiper blades should clear the windshield/rear window without
streaking or skipping.
CAUTION
■ If the engine is running
Turn the engine off and ensure that there is adequate ventilation before per-
forming maintenance checks.

674 4-3. Do-it-yourself maintenance
SIENNA_OM_OM45483U_(U)
Engine oilWith the engine at operating temperature and turned off, check the oil
level on the dipstick.
■ Checking the engine oil
Park the vehicle on level ground. After warming up the engine
and turning it off, wait more than five minutes for the oil to
drain back into the bottom of the engine.
Holding a rag under the end, pull
the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully. Holding a rag under the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive
The shape of the dipstick may dif-
fer depending on the type of vehi-
cle or engine.
Wipe the dipstick and reinsert it fully.
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