2021 TOYOTA AVALON HYBRID oil level

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7-1. Essential information
Emergency flashers .......... 448
If your vehicle has
to be stopped in
an emergency ................. 449
If the vehicle is trapped
in rising water .................. 450
7-2. Steps to take in
an emergency
If your vehicle needs
to be towed ..................... 451
If you think something
is wrong........................... 454
If a warning light turns
on or a warning buzzer
sounds ............................ 455
If a warning message
is displayed ..................... 465
If you have a flat tire .......... 471
If the hybrid system will
not start ........................... 482
If the electronic key
does not operate
properly ........................... 484
If the 12-volt battery
is discharged ................... 487
If your vehicle
overheats ........................ 494
If the vehicle becomes
stuck................................ 4988-1. Specifications
Maintenance data
(fuel, oil level, etc.) .......... 502
Fuel information ................. 510
Tire information.................. 513
8-2. Customization
Customizable features ....... 526
8-3. Items to initialize
Items to initialize ................ 535
Reporting safety defects for
U.S. owners ............................. 538
What to do if...
(Troubleshooting) ..................... 540
Alphabetical index ...................... 544
7When trouble arises8Vehicle specifications
9For owners
Index
For information regarding the equipment listed below, refer to “NAV-
IGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
• Navigation system
• Audio/visual system
• Toyota parking assist monitor• Panoramic view monitor
• Connected Services

932. Instrument cluster
2
Instrument cluster
Warning lights inform the driver of malfunctions in any of the vehicle’s
systems.
Warning lights
*1
(Red)
Brake system warning
light (P. 455)Parking brake indicator
(P. 456)
*1
(Yellow)
Brake system warning
light (P. 455)*1, 3
Brake hold operated
indicator (P. 457)
*2High coolant tempera-
ture warning light
(P. 455)*1
(Red/yellow)
Electric power steering
system warning light
(P. 457)
*2Charging system
warning light (P. 455)*1, 4PCS warning light
(P. 457)
*2
Low engine oil pressure
warning light (P. 455)*1, 3
(if equipped)
ICS OFF indicator
(P. 457)
*1
Malfunction indicator
lamp (P. 456)*2
(Amber)
LDA indicator (P. 457)
*1SRS warning light
(P. 456)*1
Slip indicator (P. 458)
*1ABS warning light
(P. 456)Low fuel level warning
light (P. 458)
*2Brake Override System/
Drive-Start Control/Intel-
ligent Clearance Sonar
(if equipped) warning
light (P. 456)Driver’s and front
passenger’s seat belt
reminder light
(P. 458)

3946-2. Maintenance
General maintenance
Listed below are the general maintenance items that should be
performed at the intervals specified in the “Owner’s Warranty
Information Booklet” or “Owner’s Manual Supplement/Sched-
uled 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.
Engine compartment
ItemsCheck points
Brake fluidIs the brake fluid at the correct
level? (P. 409)
CoolantIs the coolant at the correct level?
(P. 407)
Engine oilIs the engine oil at the correct level?
(P. 404)
Exhaust systemThere should not be any fumes or
strange sounds.
Radiator/condenser
The radiator and condenser should
be free from foreign objects.
(P. 408)
Washer fluidIs there sufficient washer fluid?
(P. 410)
Tr u nk
ItemsCheck points
12-volt battery Check the connections. (P. 4 1 1 )

399
6
Maintenance and care
6-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
12-volt battery
condition
(P. 411)•Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
(P. 409)
• SAE J1703 or FMVSS No.116 DOT 3
SAE J1704 or FMVSS No.116 DOT 4
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power
control unit cool-
ant level
(P. 407)
• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
(P. 404)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses (P. 442)• Fuse with same amperage rating as original
Hybrid battery
(traction battery)
air intake vent
(P. 434)
• Vacuum cleaner, etc.
• Phillips screwdriver
Radiator/con-
denser (
P. 408)

4036-3. Do-it-yourself maintenance
6
Maintenance and care
Engine compartment
Fuse boxes (P. 442)
Engine oil filler cap (P. 405)
Engine oil level dipstick
(P. 404)
Brake fluid reservoir
(P. 409)
Radiator (P. 408)Electric cooling fan
Condenser (P. 408)
Power control unit
coolant reservoir (P. 407)
Engine coolant reservoir
(P. 407)
Washer fluid tank (P. 410)1
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4
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4046-3. Do-it-yourself maintenance
With 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 the hybrid system, wait more than 5 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
differ depending on the type of
vehicle or engine.
Wipe the dipstick and reinsert it fully.
Engine oil
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4056-3. Do-it-yourself maintenance
6
Maintenance and care
■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, 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. 505
Oil quantity
(Low  Full)1.6 qt. (1.5 L, 1.3 Imp. qt.)
Items Clean funnel
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2
3

4066-3. Do-it-yourself maintenance
WARNING
■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.
■If oil is spilled on the engine cover
To prevent the engine cover from being damaged, remove any engine oil
from the engine cover as soon as possible using a neutral detergent.
Do not use an organic solvent such as brake cleaner.