Page 337 of 504

3376-3. Do-it-yourself maintenance
6
Maintenance and care
AVALON_HV_U (OM41457U)
CAUTION
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■When working on the engine compartment
● Make sure that the “READY” indicator is off.
● Keep hands, clothing and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, power control unit, radiator, exhaust
manifold, etc. right after driving as they may be hot. Oil and other fluids
may also be hot.
● Do not leave anything that may burn easily, such as paper and rags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes
are flammable.
■ When working near the electric cooling fans or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, t he electric cooling fans may automati-
cally start to run if the air conditioning is on and/or the coolant temperature
is high. ( P. 347)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.
from getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.
Page 342 of 504
3426-3. Do-it-yourself maintenance
AVALON_HV_U (OM41457U)
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 448 of 504
4488-1. Specifications
AVALON_HV_U (OM41457U)■
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.
How to read oil container label
The International Lubricant
Specification Advisory Commit-
tee (ILSAC) Certification Mark
is added to some oil containers
to help you select the oil you
should use.
Outside temperature
Page 491 of 504

491Alphabetical index
AVALON_HV_U (OM41457U)
Energy monitor ........................ 102
EngineACCESSORY mode ............. 178
Compartment ........................ 341
Engine switch........................ 177
Hood ..................................... 338
How to start the hybrid system .... ................. 177
Identification number ............ 445
Ignition switch (power switch) .................... 177
Overheating .......................... 436
Power switch......................... 177
Engine coolant ......................... 345
Capacity ................................ 449
Checking ............................... 345
Preparing and checking before winter....................... 256
Engine coolant temperature gauge........................................ 91
Engine oil ................................. 342 Capacity ................................ 447
Checking ............................... 342
Preparing and checking before winter....................... 256 Engine switch .......................... 177
EPS (Electronic
Power Steering)..................... 232 Function ................................ 232
Warning light......................... 405
EV drive mode ......................... 183
Event data recorder (EDR)........ 11