2020 TOYOTA PRIUS PRIME brake fluid

19Pictorial index
PRIUS PRIME_OM_OM47C77U_(U)Multi-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 218
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 218
Energy monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 221
When the warning messages are displayed . . . . . . . . . . . . . . P. 672
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 349
Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 349
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 495
Warning buzzer . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . P. 349
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 348
Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 350
Headlights/parking lights/tail lights/
daytime running lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 350
Fog lights
*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 360
Windshield wipers and washer switch . . . . . . . . . . . . . . . . P. 362
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 362
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 600
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . P. 652
Fuel filler door opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 370
Hood lock release lever. . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 585
Tilt and telescopic steering lock release lever . . . . . . . . . . P. 306
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . P. 500, 511
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 500, 512
Rear window defogger . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 504, 515
Audio system
*2
*1: If equipped
*2: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.
5
6
7
8
9
10
11
12
13
14

PRIUS PRIME_OM_OM47C77U_(U)
3295-1. Before driving
5
Driving
NOTICE
■When encountering flooded roads
Do not drive on a road that has flooded after heavy rain etc. D oing 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 i s 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, hybrid
transmission, etc.
● Lubricant condition for the bearings and suspension joints (where possi-
ble), and the function of all joints, bearings, etc.
If the shift control system is damaged by flooding, it may not be possible to
shift the shift position to P, or from P to other positions. When the shift posi-
tion cannot be changed from P to any other position, the front wheels will
lock, and you will be unable to tow the vehicle with the front wheels on the
ground, as the front wheels may be locked. In this case, transp ort the vehi-
cle with both front wheels or all four wheels lifted. ( P. 655)

495
PRIUS PRIME_OM_OM47C77U_(U)
5-6. Driving tips
5
Driving
Winter driving tips
●Use fluids that are appropriate t o the prevailing outside tempera-
tures. • Engine oil
• Engine/power control unit coolant
• Washer fluid
● Have a service technician inspect the condition of the 12-volt bat-
tery.
● Have the vehicle fitted with four snow tires or purchase a set of tire
chains for the front tires.
Ensure that all tires are the same size and brand, and that cha ins match
the size of the tires.
Perform the following accordi ng to the driving conditions:
● Do not try to forcibly open a window or move a wiper that is fr ozen.
Pour warm water over the frozen area to melt the ice. Wipe away
the water immediately to p revent it from freezing.
● To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in
front of the windshield.
● Check for and remove any excess ic e or snow that may have accu-
mulated on the exterior lights, vehicle’s roof, chassis, around the
tires or on the brakes.
● Remove any snow or mud from the bottom of your shoes before
getting in the vehicle.
Carry out the necessary preparations and inspections before
driving the vehicle in winter. Always drive the vehicle in a ma n-
ner appropriate to the prevailing weather conditions.
Preparation for winter
Before driving the vehicle

578
PRIUS PRIME_OM_OM47C77U_(U)
7-2. Maintenance
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 “Own er’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 s ervice shop for advice.
Engine compartment
ItemsCheck points
12-volt batteryCheck the connections. (P. 595)
Brake fluidIs the brake fluid at the correct level? ( P. 598)
Engine/power control
unit coolantIs the engine/power control unit coolant at the
correct level? (P. 592)
Engine oilIs the engine oil at the correct level? (P. 589)
Exhaust systemThere should not be any fumes or strange
sounds.
Radiator/condenserThe radiator and condenser should be free from
foreign objects. (P. 594)
Washer fluidIs there sufficient washer fluid? (P. 600)

582
PRIUS PRIME_OM_OM47C77U_(U)
7-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
12-volt battery
condition
(  P. 5 9 5 )•Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( P. 5 9 8 )
• SAE J1703 or FMVSS No.116 DOT 3 or SAE J1704
or FMVSS No.116 DOT 4 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power
control unit cool-
ant level
( P. 5 9 2 )
• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed with
55% coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( P. 5 8 9 )• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( P. 638)• Fuse with same amperage rating as original
Hybrid battery
(traction battery)
air intake vent
( P. 5 7 0 )
• Vacuum cleaner, etc.• Flathead screwdriver
Headlight aim
( P. 6 4 1 )• Phillips-head screwdriver
Light bulbs
( P. 6 4 3 )• Bulb with same number and wattage rating as origi-
nal
• Flathead screwdriver• Wrench
Radiator and con-
denser ( P. 594)

588
PRIUS PRIME_OM_OM47C77U_(U)
7-3. Do-it-yourself maintenance
Engine compartment
Engine coolant reservoir ( P. 592)
Fuse boxes ( P. 638)
Engine oil level dipstick ( P. 589)
Engine oil filler cap ( P. 590)
Brake fluid reservoir ( P. 598) Washer fluid tank (
P. 600)
12-volt battery ( P. 595)
Power control unit coolant
reservoir ( P. 592)
Radiator ( P. 594)
Condenser ( P. 594)
Electric cooling fans1
2
3
4
5
6
7
8
9
10
11

598
PRIUS PRIME_OM_OM47C77U_(U)
7-3. Do-it-yourself maintenance
■Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN”
lines on the tank.
■Adding fluidSlide and lift up the rubber
strip to partly remove it as
shown.
Disconnect the claws and
remove the service cover.
Brake fluid
1
2

PRIUS PRIME_OM_OM47C77U_(U)
5997-3. Do-it-yourself maintenance
7
Maintenance and care
Remove the reservoir cap.
Add brake fluid slowly while checking the fluid level.
Make sure to check the fluid type and prepare the necessary ite m.
■Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss o f braking effi-
ciency. Use only newly opened brake fluid.
3
4
Fluid type SAE J1703 or FMVSS No.116 DOT 3 or SAE J1704
or FMVSS No.116 DOT 4 brake fluid
ItemsClean funnel
WARNING
■
When filling the reservoir
Take care as brake fluid can harm your hands and eyes and damage
painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with clean
water immediately.
If you still experience discomfort, see a doctor.
NOTICE
■ If the brake fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads
wear out or when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, there may be a serious problem.