Page 399 of 604
3996-3. Do-it-yourself maintenance
HIGHLANDER_HV_U (OM48D74U)
6
Maintenance and care
Engine compartment
Washer fluid tank (P. 406)
Brake fluid reservoir ( P. 405)
Engine oil filler cap ( P. 401)
Engine oil level dipstick ( P. 400)
Engine coolant reservoir ( P. 403) Power control unit coolant
reservoir (
P. 403)
Fuse boxes ( P. 430)
Electric cooling fans
Condenser ( P. 404)
Power control unit coolant
radiator ( P. 404)
Radiator ( P. 404)1
2
3
4
5
6
7
8
9
10
11
Page 400 of 604
4006-3. Do-it-yourself maintenance
HIGHLANDER_HV_U (OM48D74U)
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
Wipe the dipstick and reinsert it fully.
Engine oil
1
2
3
4
5
1
2
3
6
Page 401 of 604

4016-3. Do-it-yourself maintenance
HIGHLANDER_HV_U (OM48D74U)
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, 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. 532
Oil quantity
(Low Full) 1.6 qt. (1.5 L, 1.3 Imp. qt.)
Items
Clean funnel
1
2
3
Page 402 of 604

4026-3. Do-it-yourself maintenance
HIGHLANDER_HV_U (OM48D74U)
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.
Page 532 of 604
5328-1. Specifications
HIGHLANDER_HV_U (OM48D74U)
*: 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.
■
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
Lubrication system
Oil capacity
(Drain and refill reference
*)
With filter 6.4 qt. (6.1 L, 5.4 Imp. qt.)
Without filter 6.0 qt. (5.7 L, 5.0 Imp. qt.)