2021 TOYOTA RAV4 PLUG-IN HYBRID checking oil

13Pictorial index
Precautions against winter season ................................................. P.445
To prevent freezing (windshield wiper de-icer)*1............................. P.457
Precautions against car wash ................................... ...................... P.489
Replacing the wiper insert..................................... .......................... P.539
Fuel filler door ............................................... ................................ P.342
Refueling method ............................................... ............................. P.342
Fuel type/fuel tank capacity ................................... ......................... P.620
Charging port .................................................. .............................. P.105
Charging method ................................................ ............................ P.127
Tires .......................................................... ..................................... P.509
Tire size/inflation pressure .............................................................. P.624
Winter tires/tire chain ........................................ .............................. P.445
Checking/rotation/tire pressu re warning system ............................. P.509
Coping with flat tires......................................... ....................... P.582, 593
Hood ........................................................... .................................... P.498
Opening ........................................................ .................................. P.498
Engine oil ..................................................... ................................... P.621
Coping with overheat ........................................... ........................... P.611
Warning messages ............................................... .......................... P.578
Headlights/front position lights/daytime running lights ........ ... P.332
Turn signal lights ............................................. ............................. P.325
Front fog lights............................................... ............................... P.337
Tail lights .................................................... ................................... P.332
Tail lights .................................................... ................................... P.332
Back-up lights
Shifting the shift lever to R .................................. ............................ P.321
Light bulbs of the exterior lights for driving
(Replacing method: P.548, Watts: P.626)
E
F
G
H
I
J
K
L
M

501
7
7-3. Do-it-yours elf maintenance
Maintenance and care
Fuse boxes (→P.545)
Engine oil filler cap ( →P.502)
Engine oil level dipstick ( →P.501)
Radiator ( →P.504)
Electric cooling fan
Condenser ( →P.504)
Power control unit coolant reservoir ( →P.504)
Washer fluid tank ( →P.505)
Engine coolant reservoir ( →P.503)
■12-volt battery
→ P.506
With the engine at operating tem-
perature and turned off, check the
Engine compartment
Components
A
B
C
D
E
F
G
H
I
Checking and adding the
engine oil

5027-3. Do-it-yourself maintenance
oil level on the dipstick.
■Checking the engine oil
1 Park the vehicle on level
ground. After warming up the
engine and turning off the hybrid
system, wait more than 5 min -
utes for the oil to drain back into
the bottom o f the engine.
2 Holding a rag under the end,
pull the dipstick out.
3 Wipe the dipstick clean.
4 Reinsert the dipstick fully.
5 Holding a rag under the end,
pull the dipstick out and check
the oil level.
Low
Normal
Excessive
The shape of the dip stick may differ
depending on the type of vehicle or
engine.
6 Wipe the dipstick and reinsert it
fully.
■Checking the oil type and pre -
paring the items needed
Make sure to check the oil type and
prepare the items needed before
adding oil.
 Engine oil selection
→P.621
Oil quantity (Low → Full)
1.5 L (1.6 qt., 1.3 Imp. qt.)
Item
Clean funnel
■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.
1 Remove the oil filler cap by turn-
ing it counterclockwise.
2 Add engine oil slowly, checking
the dipstick.
3 Install the oil filler cap by turning
it clockwise.
A
B
C

503
7
7-3. Do-it-yours elf maintenance
Maintenance and care
■Engine oil consumption
A certain amount o f 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 inter -
vals.
●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 inappropri - ate 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
The coolant level is satisfactory if it
is between the “ FULL” and “LOW”
lines on the reservoir when the
hybrid system is cold.
■Engine coolant reservoir
Reservoir cap
“FULL” line
WARNING
■Used engine oil
●Used engine oil contains poten -
tially harmful contaminants which may cause skin di sorders such as
inflammation and skin cancer, so
care should be taken to avoid pro - longed and repeated contact. To
remove used engine oil from your
skin, wash thoroughly with soap and water.
●Dispose of used oi l and filters only in a safe and acceptable manner.
Do not dispose of used oil and fil -
ters in household trash, in sewers or onto the ground. Call any autho -
rized Toyota ret ailer or Toyota
authorized repairer, or any reliable repairer, service station or auto
parts store for in formation concern-
ing recycling or disposal.
●Do not leave used e ngine oil within
the reach of children.
NOTICE
■To prevent serious engine dam -
age
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 leve l 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.
Checking the coolant
A
B

653Alphabetical Index
If a warning light turns on ........... 568
If a warning message is displayed
................................................. 578
If the 12-volt batt ery is discharged
................................................. 606
If the electronic key does not operate
properly .................................... 604
If the fuel filler door cannot be
opened..................................... 603
If the hybrid system will not start 601
If the vehicle is trapped in rising
water ........................................ 561
If you have a flat tire........... 582, 593
If you lose your keys .................. 603
If you think something is wrong.. 566
If your vehicle becomes stuck .... 615
If your vehicle has to be stopped in
an emergency .......................... 560
If your vehicle needs to be towed
................................................. 563
If your vehicle overheats ............ 611
Emergency brake signal .............. 439
Emergency flashers ..................... 560
Emergency tire puncture repair kit
..................................................... 582
Energy monitor ............................. 195
Engine
Compartment ............................. 501
Exhaust gas precautions.............. 47
Hood .......................................... 498
How to start the hybrid system... 317
Identification number.................. 619
If the hybrid system will not start 601
If your vehicle has to be stopped in
an emergency .......................... 560
Overheating ............................... 611
Power switch .............................. 317
Engine coolant
Capacity ................ ..................... 622
Checking .................................... 503
High coolant temperature warning
light .......................................... 569
Preparing and ch ecking before win-
ter ............................................. 445
Warning light ..............................569
Engine coolant temperature gauge
..................................................... 174
Engine oil
Capacity .....................................621
Checking .................................... 501
Preparing and ch ecking before win-
ter ............................................. 445
Warning light ..............................569
EPS (Electric Power Steering)
Function .....................................438
Warning light ..............................570
EV/HV mode selection switch........ 86
EV driving range ...........................102
EV mode .......................................... 85
Exhaust gas precautions ............... 47
Extended Headlight Lighting system
..................................................... 333
F
Flat tire ...................................582, 593
Tire pressure war ning system ....511
Floor mats ....................................... 32
Fluid
Brake .......................................... 624
Hybrid transmission.................... 623
Rear differential ..........................624
Washer ....................................... 505
Fog lights
Replacing light bulbs ..................548
Switch.........................................337
Wattage ......................................626
Footwell lights............................... 465
Front fog lights
Replacing light bulbs ..................548
Switch.........................................337
Wattage ......................................626
Front passenger’s seat belt reminder

662Alphabetical Index
Utility vehicle precau tions ........... 448
V
Vanity lights
Vanity lights................................ 476
Wattage...................................... 626
Vanity mirrors ............................... 476
Vehicle data recordings ................... 7
Vehicle identification number ..... 618
Vehicle Stability C ontrol (VSC) ... 438
Ventilators (seat ve ntilators) ....... 462
VSC (Vehicle Stabi lity Control) ... 438
W
Warning buzzers
Approach warning ...................... 383
Brake hold .................................. 574
Brake Override System .............. 574
Brake system .......... ................... 568
BSM OFF indicator .................... 573
Charging system ........................ 569
Downshifting ...................... 323, 325
Drive-Start Control ..................... 574
Electric power steering............... 570
High coolant tempera ture........... 569
Hybrid system overh eat ............. 569
Low engine oil pressure ............. 569
LTA (Lane Tracing Assist) . 362, 571
Open door .................................. 208
Open hood ................................. 208
Open window ............................. 292
PKSB OFF indicator... ................ 572
Pre-collision warning .......... 355, 571
Radar cruise control ................... 383
RCTA (Rear Crossi ng Traffic Alert)
................................................. 393
RCTA OFF indicator .................. 573
RSA (Road Sign Assist) ............. 372
Seat belt reminder.. ............ 575, 576
Shift position ...................... 324, 325
Toyota parking assist ................. 414
Toyota parking a ssist-sensor OFF
indicator ...................................572
Vehicle sway warning................. 366
Warning lights
ABS ............................................570
Brake hold operate d indicator .... 574
Brake Override System .............. 574
Brake system ........... ..................568
BSM OFF indicator.....................573
Charging system ...... ..................569
Driver’s seat belt reminder light.. 575
Drive-Start Control .....................574
Electric power steering ...............570
Engine ........................................570
Front passenger’s seat belt reminder
light .......................................... 575
High coolant temperature ........... 569
Hybrid system overh eat .............569
Low engine oil pressure ............. 569
Low fuel level .............................575
LTA indicator ..............................571
Malfunction indicator lamp .........570
Parking brake indicator .............. 574
PCS warning light.......................571
PKSB OFF indicator . .................. 572
PKSB............ .............................. 572
RCTA OFF indicator................... 573
Rear passengers’ seat belt reminder
lights.........................................576
Seat belt reminder light ...... 575, 576
Slip indicator............................... 573
SRS ............................................570
Tire pressure ..............................575
Toyota parking a ssist-sensor OFF
indicator ...................................572
Warning messages .......................578
Washer
Checking .................................... 505
Low washer fluid warning message
.........................................505, 578