light TOYOTA PRIUS 2020 Warranties & Maintenance Guides (in English)
Page 16 of 68
14
Restraint Systems Warranty
This warranty covers repairs needed to 
correct defects in materials or workmanship 
of any seatbelt or air bag system supplied by 
Toyota, subject to the exceptions indicated 
under “What Is Not Covered” on pages 14–15.
Coverage is for 60 months or 60,000 miles, 
whichever occurs first.
For vehicles sold and registered in the  
state of Kansas, the warranty for seatbelts 
and related components is 10 years, 
regardless of mileage.
Corrosion Perforation Warranty 
This warranty covers repair or replacement 
of any original body panel that develops 
perforation from corrosion (rust-through), 
subject to the exceptions indicated under 
“What Is Not Covered” on pages 14–15.
Coverage is for 60 months, regardless  
of mileage.
For information on how to protect your  
vehicle from corrosion, refer to sections 
related to maintenance and care in the 
Owner’s Manual.
To w i n g
When your vehicle is inoperable due to  
failure of a warranted part, towing service  
to the nearest authorized Toyota dealership  
is covered.
 
 
WHAT IS NOT COVERED
This warranty does not cover damage or 
failures resulting directly or indirectly from  
any of the following:
• Fire, accidents or theft
• Abuse or negligence
•  Misuse — for  example,  racing  
or overloading
• Improper repairs
•  Alteration or tampering, including 
installation of non-Genuine  
Toyota Accessories
•  Lack of or improper maintenance,  
including use of fluids and fuel  
other than those specified in the  
Owner’s Manual
•  Installation of non-Genuine Toyota Parts 
•  Airborne chemicals, tree sap, road  
debris (including stone chips), rail dust,  
salt, hail, floods, wind storms, lightning  
and other environmental conditions
• Water contamination
This warranty also does not cover the following:
Tires
Tires are covered by a separate warranty 
provided by the tire manufacturer. See  
page 29.
Normal Wear and Tear
Noise, vibration, cosmetic conditions and 
other deterioration caused by normal wear 
and tear.
NEW VEHICLE LIMITED WARRANTY
Your Warranties in Detail W  
Page 21 of 68
19
 
 
Hybrid System
•  Battery control module  
(battery voltage sensor) (8/80)*
• Battery thermistor
• Generator
• Hybrid battery*
•  Hybrid control module (power  
management control module) (8/80)*
• Inverter with converter*
• Motor
•  System main relay and battery  
current sensor
Ignition Systems
• Ignition coil and ignitor
• Ignition wires
• Spark plugs† 
 
 
 
 
Positive Crankcase Ventilation 
(PCV) System
• Oil filler cap
• PCV valve or orifice
Other Parts Used in 
Above Systems
• Data link connector (8/80)
•  Hoses, clamps, fittings, tubing and 
mounting hardware
•  Malfunction indicator light and bulb (8/80)
• Pulleys, belts and idlers
• Sealing gaskets and devices
• Sensors, solenoids, switches and valves
FEDERAL EMISSION CONTROL WARRANTY
 
* Covered under the Hybrid System Warranty for eight years or 100,000 miles, whichever occurs first, with the     exception of the Hybrid Battery covered for ten years or 150,000 miles, whichever occurs first.  †  Warranted until first required maintenance under terms of the California Emission Control Warranty.  8/80 = Covered for eight years or 80,000 miles, whichever occurs first.
Your Warranties in Detail W  
Page 41 of 68
39
15,000 miles or 18 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Re-torque drive shaft nut (AWD)
Rotate tires
 Visually inspect brake linings/drums and brake pads/discs  
NOTE: If 0W-16 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _Ball joints and dust covers  _ Exhaust pipes and mountings _Brake lines and hoses _ Radiator, condenser and/or intercooler _Cabin air filter _  Steering gear _Drive shaft boots _  Steering linkage and boots _  Engine/Inverter coolant4 
 
 
 
 
Additional Maintenance Items for Special Operating Conditions3 
Driving on dirt roads or dusty roads:Inspect engine air filter
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:5
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Repeated trips of less than five miles in temperatures below 32°F / 0°C:Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:Clean HV battery cooling intake filter 
Replace engine oil and oil filter2 
 
Dealer Service verification:
Date: Mileage:
1  Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant  level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2  Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the  multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.4  Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for  more information.5 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced air flow from the air conditioner and heater or if the windows fog easily when you use the Fresh mode. Consult your dealer if any of these conditions occur.
Maintenance Log M
M  
Page 43 of 68
41
30,000 miles or 36 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Replace cabin air filter
Replace engine air filter
Replace engine oil and oil filter2
Re-torque drive shaft nut (AWD)
Rotate tires
Inspect the following: _ Automatic transmission for signs of leakage
 _Ball joints and dust covers
 _Brake lines and hoses
 _ Brake linings/drums and  brake pads/discs4
 _Drive shaft boots
 _Engine/Inverter coolant5
 _Exhaust pipes and mountings
 _Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
Tighten nuts and bolts on chassis and body
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:
Clean HV battery cooling intake filter   
 
 
 
 _ Fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses
 _Fuel tank cap gasket
 _Radiator, condenser and/or intercooler
 _Rear differential oil (AWD)
 _Steering gear
 _Steering linkage and boots
1  Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant  level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2  Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the  multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated. 4 Inspect thickness measurement and disc runout.5      Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for  more information.6 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
Date: Mileage:
Maintenance Log M
M  
Page 45 of 68
43
45,000 miles or 54 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Re-torque drive shaft nut (AWD)
Rotate tires
 Visually inspect brake linings/drums and brake pads/discs
NOTE: If 0 W -16 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _Ball joints and dust covers  _ Exhaust pipes and mountings _Brake lines and hoses _ Radiator, condenser and/or intercooler _Cabin air filter _ Steering gear _Drive shaft boots _ Steering linkage and boots _Engine/Inverter coolant4  
 
 
   
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect engine air filter
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:5
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Repeated trips of less than five miles in temperatures below 32°F / 0°C:Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:Clean HV battery cooling intake filter 
Replace engine oil and oil filter2
1  Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant  level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2  Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the  multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.     4   Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.5 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
Date:Mileage:
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced air flow from the air conditioner and heater or if the windows fog easily when you use the Fresh mode. Consult your dealer if any of these conditions occur.
Maintenance Log M
M  
Page 47 of 68
45
60,000 miles or 72 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Replace cabin air filter
Replace engine air filter
Replace engine oil and oil filter2
Re-torque drive shaft nut (AWD)
Rotate tires
Inspect the following: _Automatic transmission for signs of leakage
 _Ball joints and dust covers
 _Brake lines and hoses
 _ Brake linings/drums and  brake pads/discs4
 _Drive shaft boots
 _Engine/Inverter coolant5
 _Exhaust pipes and mountings  
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
Replace automatic transmission fluid
Replace rear differential oil (AWD)
Tighten nuts and bolts on chassis and body
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:
Clean HV battery cooling intake filter
 
1  Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant  level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2  Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the  multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated. 4 Inspect thickness measurement and disc runout.5   Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for  more information.6 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details. 
 _ Fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses
 _Fuel tank cap gasket
 _Radiator, condenser and/or intercooler _Rear differential oil (AWD)
 _Steering gear
 _Steering linkage and boots 
Dealer Service verification:
Date:Mileage:
Maintenance Log M
M  
Page 49 of 68
47
75,000 miles or 90 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Re-torque drive shaft nut (AWD)
Rotate tires
 Visually inspect brake linings/drums and brake pads/discs
NOTE: If 0W-16 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _Ball joints and dust covers  _ Exhaust pipes and mountings _Brake lines and hoses _ Radiator, condenser and/or intercooler _Cabin air filter _ Steering gear _Drive shaft boots _ Steering linkage and boots _Engine/Inverter coolant4 
 
 
 
 
  
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect engine air filter
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:5
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Repeated trips of less than five miles in temperatures below 32°F / 0°C:Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:Clean HV battery cooling intake filter 
Replace engine oil and oil filter2
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced air flow from the air conditioner and heater or if the windows fog easily when you use the Fresh mode. Consult your dealer if any of these conditions occur.
1  Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant  level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2  Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the  multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.4     Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for  more information.5 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
Date:Mileage:
Maintenance Log M
M  
Page 51 of 68
49
90,000 miles or 108 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Replace cabin air filter
Replace engine air filter
Replace engine oil and oil filter2
Re-torque drive shaft nut (AWD)
Rotate tires
Inspect the following: _ Automatic transmission for signs of leakage
 _Ball joints and dust covers
 _Brake lines and hoses   
 _ Brake linings/drums and brake pads/discs4
 _Drive shaft boots 
 _Engine/Inverter coolant5
 _Exhaust pipes and mountings   
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
Tighten nuts and bolts on chassis and body Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:
Clean HV battery cooling intake filter 
 
 _ Fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses
 _Fuel tank cap gasket
 _Radiator, condenser and/or intercooler
 _Rear differential oil (AWD)
 _Steering gear
 _Steering linkage and boots
1  Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant  level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2  Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the  multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated. 4  Inspect thickness measurement and disc runout.5      Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for  more information.6 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
Date:Mileage:
Maintenance Log M
M  
Page 53 of 68
51
1  Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant  level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2  Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the  multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.4  Initial engine coolant replacement at 100,000 miles/120 months. Replace every 50,000 miles/60 months thereafter Initial inverter coolant replacement at 150,000 miles/180 months. Replace every 50,000 miles/60 months thereafter.5      Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for  more information.6 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
105,000 miles or 126 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Re-torque drive shaft nut (AWD)
Rotate tires
 Visually inspect brake linings/drums and brake pads/discs 
NOTE: If 0W-16 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _Ball joints and dust covers  _ Exhaust pipes and mountings _Brake lines and hoses _ Radiator, condenser and/or intercooler _Cabin air filter _ Steering gear _Drive shaft boots _ Steering linkage and boots
 _Engine/Inverter coolant5 
 
 
 
 
 
 Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Inspect engine air filter
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
Replace engine oil and oil filter2
Tighten nuts and bolts on chassis and body
Repeated trips of less than five miles in temperatures below 32°F / 0°C:
Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:
Clean HV battery cooling intake filter 
Replace engine oil and oil filter2 
 
Dealer Service verification:
Date: Mileage:
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced air flow from the air conditioner and heater or if the windows fog easily when you use the Fresh mode. Consult your dealer if any of these conditions occur.
Maintenance Log M
M  
Page 55 of 68
53
120,000 miles or 144 months
Check installation of driver’s floor mat
Inspect and adjust all fluid levels1
Inspect wiper blades
Replace cabin air filter
Replace engine air filter
Replace engine oil and oil filter2
Replace spark plugs4 
Re-torque drive shaft nut (AWD)
Rotate tires
Inspect the following: _ Automatic transmission for signs of leakage
 _Ball joints and dust covers
 _Brake lines and hoses
 _ Brake linings/drums and brake pads/discs5
 _Drive shaft boots 
 _Engine/Inverter coolant6
 _Exhaust pipes and mountings  
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads:Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
Replace automatic transmission fluid
Replace rear differential oil (AWD)
Tighten nuts and bolts on chassis and body
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:
Clean HV battery cooling intake filter 
 
1  Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant  level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2  Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the  multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.4   Maintenance services of spark plugs are required under the terms of the Emissions Control Warranty. For vehicles corresponding to PZEV the replacement interval is 150,000 miles.5  Inspect thickness measurement and disc runout.6     Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for  more information.7 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
 _ Fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses
 _Fuel tank cap gasket
 _Radiator, condenser and/or intercooler
 _Rear differential oil (AWD)
 _Steering gear
 _Steering linkage and boots
Dealer Service verification:
Date:Mileage:
Maintenance Log M
M