Page 410 of 572
4106-3. Do-it-yourself maintenance
HIGHLANDER HV_U
Engine coolant reservoir ( P.413)
Fuse boxes ( P.439)
Engine oil filler cap ( P.411)
Engine oil level dipstick ( P.411)
Brake fluid reservoir ( P.414)
Washer fluid tank ( P.415)
Electric cooling fan
Condenser ( P.414)
Radiator ( P.414)
Power control unit coolant reservoir ( P.414)
■12-volt battery
 P. 4 1 6
With the engine at operating 
temperature and turned off, 
check the oil level on the dip-
Engine compar tment
Components
Checking and adding the 
engine oil 
     
        
        Page 411 of 572

4116-3. Do-it-yourself maintenance
HIGHLANDER HV_U
6
Maintenance and care
stick.
■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 minutes for the oil to 
drain back into the bottom of 
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 dipstick may differ  depending on the type of vehicle or 
engine.
6
Wipe the dipstick and reinsert 
it fully.
■Checking the oil type and 
preparing the item needed
Make sure to check the oil type 
and prepare the items needed 
before adding oil.
 Engine oil selection
P.508
 Oil quantity (Low   Full)
1.6 qt. (1.5 L, 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 
turning it counterclockwise.
2 Add engine oil slowly, check-
ing the dipstick.
3 Install the oil filler cap by 
turning it clockwise.
■Engine oil consumption
A certain amount of engine oil will  
     
        
        Page 508 of 572

5088-1. Specifications
HIGHLANDER HV_U
Rear
■Oil capacity (Drain and 
refillreference
*)
*: The engine oil capacity is a refer-
ence quantity to be used when 
changing the engine oil. Warm up 
the engine and turn off the hybrid 
system, wait more than 5 min-
utes, 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 Genu-
ine Motor Oil” or equivalent to 
satisfy the following grade and 
viscosity. Oil grade: API SN/RC multi-
grade engine oil
Recommended viscosity: SAE 
0W-16
Outside temperature
SAE 0W-16 is the best choice 
for good fuel economy and good 
starting in cold weather.
If SAE 0W-16 is not available, 
SAE 0W-20 oil may be used. 
However, it must be replaced 
Ty p ePermanent magnet synchronous 
motor
Maximum output40 kW
Maximum torque89 ft•lbf (121 N•m, 12.3 kgf•m)
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Vo l t a g e7.2 V/module
Capacity6.5 Ah (3HR)
Quantity40 modules
Nominal voltage288 V
Lubrication system
With filter4.8 qt. (4.5 L, 4.0 Imp. 
qt.)
Without 
filter4.4 qt. (4.2 L, 3.7 Imp. 
qt.)