Page 17 of 512

17Pictorial index
AVALON_HV_U (OM41451U)Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 207
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 262
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . P. 331
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 212
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 212
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 454
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 362
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . P. 459
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 262
Checking/rotation/tire pressure warning system . . . . . . . . . P. 362
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 423
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 346
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 346
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 455
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 444
Headlights/parking lights/side marker lights/
daytime running lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 197
Fog lights
* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 206
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 194
Stop/tail lights
Hill-start assist control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 243
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 197
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 191
4
5
6
7
Light bulbs of the exterior lights for driving
(Replacing method: P. 390, Wattages: P. 460)
*: If equipped
8
9
10
11
12
13
Page 176 of 512
1764-1. Before driving
AVALON_HV_U (OM41451U)
NOTICE
■When encounterin g 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, trans-
mission, etc.
● Lubricant condition for the bearings and suspension joints (where possi-
ble), and the function of all joints, bearings, etc.
Page 338 of 512
3386-2. Maintenance
AVALON_HV_U (OM41451U)
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. 356)
Engine/power control unit coolant
Is the engine/power control unit
coolant at the correct level?
(P. 353)
Engine oilIs the engine oil at the correct level?
(P. 350)
Exhaust systemThere should not be any fumes or
strange sounds.
Radiator/condenser
The radiator and condenser should
be free from foreign objects.
(P. 355)
Washer fluidIs there sufficient washer fluid?
(P. 357)
Luggage compartment
ItemsCheck points
12-volt batteryCheck the connections. ( P. 358)
Page 350 of 512
3506-3. Do-it-yourself maintenance
AVALON_HV_U (OM41451U)
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
■Checking the engine oilPark the vehicle on level ground. After warming up the engine
and turning 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
1
2
3
4
5
1
2
3
6
Page 351 of 512

3516-3. Do-it-yourself maintenance
6
Maintenance and care
AVALON_HV_U (OM41451U)■
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. 456
Oil quantity
(Low Full) 1.6 qt. (1.5 L, 1.3 Imp. qt.)
Items
Clean funnel
1
2
3
Page 352 of 512

3526-3. Do-it-yourself maintenance
AVALON_HV_U (OM41451U)
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.
Page 455 of 512
4558-1. Specifications
8
Vehicle specifications
AVALON_HV_U (OM41451U)
*: The engine oil capacity is a reference quantity to be used when changingthe engine oil. Warm up the engine and turn off the hybrid system, wait
more than 5 minutes, and check the oil level on the dipstick.
Lubrication system
Oil capacity
Drain and refill (Reference
*)
With filter
Without filter
4.6 qt. (4.4 L, 3.9 Imp. qt.)
4.2 qt. (4.0 L, 3.5 Imp. qt.)
Page 499 of 512

499Alphabetical index
AVALON_HV_U (OM41451U)
Energy monitor ........................ 103
EngineAccessory mode ................... 184
Compartment ........................ 349
Engine switch........................ 183
Hood ..................................... 346
How to start the hybrid system .... ................. 183
Identification number ............ 453
Ignition switch (power switch) .................... 183
Overheating .......................... 444
Power switch......................... 183
Engine coolant ......................... 353
Capacity ................................ 457
Checking ............................... 353
Preparing and checking before winter....................... 262
Engine coolant temperature gauge........................................ 91
Engine oil ................................. 350 Capacity ................................ 455
Checking ............................... 350
Preparing and checking before winter....................... 262 Engine switch .......................... 183
EPS (Electronic
Power Steering)..................... 238 Function ................................ 238
Warning light......................... 413
EV drive mode ......................... 189
Event data recorder (EDR)........ 11