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Owner’s manual specs

2021 Toyota Prius Prime (PHEV) Specs: Fluids & Maintenance Schedule

Figures for the 2021 Toyota Prius Prime (PHEV), copied from Toyota’s own owner’s manual. Every one links to the manual page it came from.

From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.

Fluids & capacities

Cooling system > Coolant type

Use either of the following: • “Toyota Super Long Life Coolant” • Similar high-quality ethylene glycol- based non-silicate, non-amine, non- nitrite, and non-borate coolant with long-life hybrid organic acid technology Do not use plain water alone.

Source: Toyota 2021 Prius Prime Owner's Manual (OM47D71U), page 735

Maintenance schedule

Normal service schedule

Use this for ordinary driving.

ServiceWhen
Replace cabin air filter

Source: Toyota 2021 Prius Prime Warranty and Maintenance Guide, page 47

Every 30,000 mi or 36 months
Replace engine air filter

Source: Toyota 2021 Prius Prime Warranty and Maintenance Guide, page 47

Every 30,000 mi or 36 months
Replace engine oil and oil filter

Source: Toyota 2021 Prius Prime Warranty and Maintenance Guide, page 40

5,000 mi, 20,000 mi, 30,000 mi, 40,000 mi, 50,000 mi, 60,000 mi, 70,000 mi, 80,000 mi, 90,000 mi, 100,000 mi, 110,000 mi, 120,000 mi

Severe service schedule

Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.

ServiceWhen
Inspect engine air filter

Applies to: Driving on dirt roads or dusty roads

Source: Toyota 2021 Prius Prime Warranty and Maintenance Guide, page 41

5,000 mi, 15,000 mi, 20,000 mi, 25,000 mi, 35,000 mi, 40,000 mi, 45,000 mi, 50,000 mi, 55,000 mi, 65,000 mi, 70,000 mi, 75,000 mi, 80,000 mi, 85,000 mi, 95,000 mi, 100,000 mi, 105,000 mi, 110,000 mi, 115,000 mi
Replace engine oil and oil filter

Applies to: Driving on dirt roads or dusty roads

Source: Toyota 2021 Prius Prime Warranty and Maintenance Guide, page 42

5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 45,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi
Replace engine oil and oil filter

Applies to: Driving while towing, using a car-top carrier, or heavy vehicle loading

Source: Toyota 2021 Prius Prime Warranty and Maintenance Guide, page 41

5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 45,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi
Replace engine oil and oil filter

Applies to: Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use

Source: Toyota 2021 Prius Prime Warranty and Maintenance Guide, page 42

5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 45,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi
Replace engine oil and oil filter

Applies to: Repeated trips of less than five miles in temperatures below 32°F / 0°C

Source: Toyota 2021 Prius Prime Warranty and Maintenance Guide, page 42

5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 45,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi

Not on this page

  • Oil life & reset procedures: The manual gives different answers by configuration, so we've left them out.
  • Fuse box locations & fuse chart: The manual gives different answers by configuration, so we've left them out.

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