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2-1. Driving procedures
2
When driving
SIENNA_OM_OM45483U_(U)
NOTICE
■
When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. Doing so may
cause the following serious damage to the vehicle:
●Engine stalling
● Short in electrical components
● Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be
sure to have your Toyota dealer check the following:
● Brake function
● Changes in quantity and quality of oil and fluid used for the engine, tran-
saxle, transfer (AWD models), rear differential (AWD models), etc.
● Lubricant condition for the propeller shaft (AWD models), bearings and
suspension joints (where possible) and the function of all joints, bearings,
etc.
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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.
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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.
Page 674 of 872
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.
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6
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4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45483U_(U)
■
Adding engine oil
If the oil level is below or near
the low level mark, add engine
oil of the same type as that
already in the engine.
Make sure to check the oil type and prepare the items needed before
adding oil.
Remove the oil filler cap by turning it counterclockwise.
Add engine oil slowly, checking the dipstick.
Install the oil filler cap by turning it clockwise.
Engine oil
selectionP. 801
Oil quantity
(Low
Full) 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Items
Clean funnel
STEP1
STEP2
STEP3
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4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45483U_(U)
CAUTION
■
Used engine oil
●Used engine oil contains potentially harmful contaminants which may
cause skin disorders such as inflammation and skin cancer, so care
should be taken to avoid prolonged and repeated contact. To remove used
engine oil from your skin, wash thoroughly with soap and water.
● Dispose of used oil and filters only in a safe and acceptable manner. Do
not dispose of used oil and filters in household trash, in sewers or onto the
ground. Call your Toyota dealer, service station or auto parts store for
information concerning recycling or disposal.
● Do not leave used engine oil within the reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■ When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
● Avoid overfilling, or the engine could be damaged.
● Check the oil level on the dipstick every time you refill the vehicle.
● Be sure the engine oil filler cap is properly tightened.
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6-1. Specifications
6
Vehicle specifications
SIENNA_OM_OM45483U_(U)
Lubrication system
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up and turn off the engine, wait more than 5 minutes, and
check the oil level on the dipstick.
■ Engine oil selection
“Toyota Genuine Motor Oil” is used in your Toyota vehicle. Use
Toyota approved “Toyota Genuine Motor Oil” or equivalent to satisfy
the following grade and viscosity.
Oil grade: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice for
good fuel economy and good
starting in cold weather.
If SAE 0W-20 is not available,
SAE 5W-20 oil may be used.
However, it must be replaced
with SAE 0W-20 at the next oil
change.
Oil capacity
(Drain and refill reference
*)
Without filter
With filter 6.0 qt. (5.7 L, 5.0 Imp.qt.)
6.4 qt. (6.1 L, 5.4 Imp.qt.)
Outside temperature
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Alphabetical index
SIENNA_OM_OM45483U_(U)
Electric power steering........... 331
Electronic key
If your electronic key
does not operate
properly .............................. 781
Emergency, in case of
If the back door opener is inoperative ........................... 86
If the electronic key
does not operate
properly .............................. 781
If the engine will not start...... 776
If the shift lever cannot be
shifted ................................ 778
If the vehicle has
discharged battery ............. 784
If the warning buzzer sounds... ........................... 743
If the warning light turns on .............................. 743
If the warning message is displayed ............................ 758
If you have a flat tire .... 759, 761
If you lose your keys............. 780
If you think something is wrong ................................. 741
If your vehicle becomes stuck................................... 793
If your vehicle has to be stopped in an emergency ................ 795
If your vehicle needs to be
towed ................................. 737
If your vehicle overheats ...... 790
Emergency flashers ................ 736 Engine
Accessory mode....................233
Compartment ........................673
Engine switch ................228, 231
Hood......................................669
How to start the engine .........................228, 231
Identification number .............799
If the engine will not start ......776
Ignition switch................228, 231
Overheating...........................790
Engine coolant
Capacity ................................803
Checking ...............................678
Preparing and checking before winter .......................369
Engine coolan t temperature
gauge ......................................246
Engine immobilizer system.....160
Engine oil Capacity ................................801
Checking ...............................674
Preparing and checking before winter .......................369
Engine switch ...................228, 231
EPS ............................................331
Event data recorder ...................27E