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7-3. Do-it-yourself maintenance
■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 consumption
A certain amount of engine oil will be consumed while driving. In the following
situations, oil consumption may increase, and engine oil may need to be
refilled in between oil maintenance intervals.
●When the engine is new, for example directly after purchasing the vehicle or
after replacing the engine
● If low quality oil or oil of an inappropriate viscosity is used
● When driving at high engine speeds or with a heavy load, when towing, or
when driving while accelerating or decelerating frequently
● When leaving the engine idling for a long time, or when driving frequently
through heavy traffic
Engine oil selection P. 597
Oil quantity (LowFull) 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Items Clean funnel
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7-3. Do-it-yourself maintenance
■Headlight low beams (halogen bulb)For left side only:
Open the fuse box cover. ( P. 506)
Unplug the connector while
pushing the lock release.
Turn the bulb base counter-
clockwise.
Replacing light bulbs
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7-3. Do-it-yourself maintenance
■Headlight high beams and bulb type daytime running lights (if
equipped)
For left side only:
Open the fuse box cover. ( P. 506)
Turn the bulb base counter-
clockwise.
Unplug the connector while
pushing the lock release.
Install a new light bulb.
Align the 3 tabs on the light bulb
with the mounting, and insert.
Turn and secure the bulb
base.
Shake the bulb base gently to
check that it is not loose, turn
the headlights on once and visu-
ally confirm that no light is leak-
ing through the mounting.
For left side only: Install the fuse box cover.
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SIENNA_OM_01999-08001_(U)
5157-3. Do-it-yourself maintenance
7
Maintenance and care
■Fog lights (if equipped)Remove the engine under
cover bolt and pull down the
engine under cover.
Unplug the connector while
pushing the lock release.
Turn the bulb base counter-
clockwise.
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2
3
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7-3. Do-it-yourself maintenance
Install a new light bulb.
Align the 3 tabs on the light bulb
with the mounting and insert.
Turn clockwise and secure
the bulb base.
Install the connector.
Shake the connector gently to
check that it is not loose, turn
the fog lights on once and visu-
ally confirm that no light is leak-
ing through the mounting.
When installing the engine under cover, reverse the step .
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SIENNA_OM_01999-08001_(U)
5177-3. Do-it-yourself maintenance
7
Maintenance and care
■Front turn signal/parking and front side marker lights (vehicles
without daytime running lights or with bulb type daytime run-
ning lights)
For left side only:
Open the fuse box cover. ( P. 506)
Turn the bulb base counter-
clockwise.
Remove the light bulb.
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2
3
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7-3. Do-it-yourself maintenance
■Front turn signal lights (vehicles with LED type daytime run-
ning lights)For left side only:
Open the fuse box cover. ( P. 506)
Turn the bulb base counter-
clockwise.
Remove the light bulb.
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2
3
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SIENNA_OM_01999-08001_(U)
5197-3. Do-it-yourself maintenance
7
Maintenance and care
■Front side marker lights (vehicles with LED type daytime run-
ning lights)
For left side only:
Open the fuse box cover. ( P. 506)
Turn the bulb base counter-
clockwise.
Remove the light bulb.
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