Automatic transmission > Fluid capacity*
7.5 qt
7.1 L
Applies to: Automatic transmission
Source: Toyota 2023 Highlander Owner's Manual (OM0E055U), page 478
Owner’s manual specs
2023 Toyota Highlander Specs: Fluids & Maintenance Schedule
Figures for the 2023 Toyota Highlander, 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
Automatic transmission > Fluid type
Toyota Genuine ATF WS
Applies to: Automatic transmission
Source: Toyota 2023 Highlander Owner's Manual (OM0E055U), page 478
Coolant type > SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4
― 6 mm)
Applies to: Coolant type
Source: Toyota 2023 Highlander Owner's Manual (Short Version) (OM0E199U), page 400
Cooling system > Capacity > Gasoline engine
11.7 qt
11.1 L
Applies to: Cooling system; Gasoline engine; Vehicles without Stop & Start system
Source: Toyota 2023 Highlander Owner's Manual (OM0E055U), page 477
Cooling system > Capacity > Gasoline engine
12.3 qt
11.6 L
Applies to: Cooling system; Gasoline engine; Vehicles with Stop & Start system
Source: Toyota 2023 Highlander Owner's Manual (OM0E055U), page 477
Cooling system > Capacity > Intercooler
3.3 qt
3.1 L
Applies to: Cooling system; Intercooler
Source: Toyota 2023 Highlander Owner's Manual (OM0E055U), page 477
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.
Applies to: Cooling system
Source: Toyota 2023 Highlander Owner's Manual (OM0E055U), page 477
Engine oil selection > Recommended viscosity
SAE 0W-20
Source: Toyota 2023 Highlander Owner's Manual (Short Version) (OM0E199U), page 399
Maintenance schedule
Normal service schedule
Use this for ordinary driving.
| Service | When |
|---|---|
| Replace cabin air filter Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 45 | Every 30,000 mi or 36 months |
| Replace engine air filter Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 49 | Every 30,000 mi or 36 months |
| Replace engine oil and oil filter Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 38 | Every 10,000 mi or 12 months |
| Replace rear differential oil (4WD) Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 45 | Every 30,000 mi or 36 months |
| Replace transfer case oil (4WD) Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 49 | Every 30,000 mi or 36 months |
Severe service schedule
Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.
| Service | When |
|---|---|
| Inspect engine air filter Applies to: Driving on dirt roads or dusty roads Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 38 | 5,000 mi, 10,000 mi, 15,000 mi, 20,000 mi, 25,000 mi, 35,000 mi, 40,000 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 |
| Inspect engine air filter Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 43 | 45,000 mi |
| Replace engine oil and oil filter Applies to: Driving on dirt roads or dusty roads Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 40 | 5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi |
| Replace rear differential oil (4WD) Applies to: Driving while towing, using a car-top carrier, or heavy vehicle loading Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 43 | 15,000 mi, 45,000 mi, 75,000 mi, 105,000 mi |
| Replace transfer case oil (4WD) Applies to: Driving while towing, using a car-top carrier, or heavy vehicle loading Source: Toyota 2023 Highlander Warranty and Maintenance Guide, page 39 | 15,000 mi, 45,000 mi, 75,000 mi, 105,000 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.
Other Toyota Highlander years
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