Maintenance -> General maintenance for Your Toyota Prius 4 Door Fourth Generation (2016-2022)

496  
6-2. 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 “Owner’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 service shop for advice.  
Engine compartment  
Items  
12-volt battery  
Brake fluid  
Check points  
Check the connections.  
(P. 512)  
Is the brake fluid at the correct level?(P. 516)  
Engine/power  
unit coolant  
control Is the engine/power control unit coolant at the  
correct level?  
(P. 510)  
Engine oil  
Is the engine oil at the correct level? (P. 507)  
There should not be any fumes or strange  
sounds.  
Exhaust system  
The radiator and condenser should be free from  
Radiator/condenser  
Washer fluid  
foreign objects.  
(P. 512)  
Is there sufficient washer fluid?  
(P. 518)  
PRIUS_OM_OM47D44U_(U)  
497  
6-2. Maintenance  
Vehicle interior  
Items  
Check points  
• The accelerator pedal should move smoothly  
(without uneven pedal effort or catching).  
Accelerator pedal  
Hybrid  
transmission • When parked on a slope and the shift position  
“Park” mechanism  
is in P, is the vehicle securely stopped?  
• Does the brake pedal move smoothly?  
• Does the brake pedal have appropriate clear-  
Brake pedal  
ance from the floor?  
• Does the brake pedal have the correct  
amount of free play? (P. 659)  
(P. 659)  
• The vehicle should not pull to one side when  
the brakes are applied.  
• The brakes should work effectively.  
• The brake pedal should not feel spongy.  
• The brake pedal should not get too close to  
the floor when the brakes are applied.  
Brakes  
• Do the head restraints move smoothly and  
lock securely?  
Head restraints  
• Do the indicators and buzzers function prop-  
erly?  
Indicators/buzzers  
Lights  
6
• Do all the lights come on?  
• Does the parking brake pedal move  
smoothly?  
• When parked on a slope and the parking  
brake is on, is the vehicle securely stopped?  
Parking brake  
• Do the seat belts operate smoothly?  
• The seat belts should not be damaged.  
Seat belts  
Seats  
• Do the seat controls operate properly?  
• Does the steering wheel rotate smoothly?  
• Does the steering wheel have the correct  
amount of free play?  
Steering wheel  
• There should not be any strange sounds com-  
ing from the steering wheel.  
PRIUS_OM_OM47D44U_(U)  
498  
Vehicle exterior  
6-2. Maintenance  
Items  
Check points  
Doors  
• Do the doors operate smoothly?  
• Does the engine hood lock system work prop-  
erly?  
Engine hood  
Fluid leaks  
• There should not be any signs of fluid leakage  
after the vehicle has been parked.  
• Is the tire inflation pressure correct?  
• The tires should not be damaged or exces-  
sively worn.  
• Have the tires been rotated according to the  
maintenance schedule?  
Tires  
• The wheel nuts should not be loose.  
• The wiper blades should not show any signs  
of cracking, splitting, wear, contamination or  
deformation.  
• The wiper blades should clear the windshield/  
rear window without streaking or skipping.  
Windshield wipers/  
rear window wiper  
(if equipped)  
WARNING  
If the hybrid system is operating  
Turn the hybrid system off and ensure that there is adequate ventilation  
before performing maintenance checks.  
PRIUS_OM_OM47D44U_(U)