# Automatic Transmission Fluid · Toyota · Highlander · 2025 · 60,000 miles · Perform this service if you drive while towing a trailer, using a car-top carrier, or heavy vehicle loading. Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details. 10 Including operation on road that has road salt applied. 11 Perform this service if you operate with extensive idling and/or low speed driving for a long distance such as police, professional/private use like taxi or door-to-door delivery use.42 Maintenance MAINTENANCE CHART — OEM maintenance schedule by vehicle model and year, sourced from the manufacturer's own document For Automatic Transmission Fluid · Toyota · Highlander · 2025 · 60,000 miles · Perform this service if you drive while towing a trailer, using a car-top carrier, or heavy vehicle loading. Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details. 10 Including operation on road that has road salt applied. 11 Perform this service if you operate with extensive idling and/or low speed driving for a long distance such as police, professional/private use like taxi or door-to-door delivery use.42 Maintenance MAINTENANCE CHART, service item is Automatic Transmission Fluid; make is Toyota; model is Highlander; model year is 2025; mileage/time interval is 60,000 miles, recorded from its source on 2026-09-08. - **Service item:** Automatic Transmission Fluid _(verified: appears in the quote below)_ - **Make:** Toyota - **Model:** Highlander - **Model year:** 2025 - **Mileage/time interval:** 60,000 miles _(our reading, not quoted from the source)_ - **Action:** Replace _(verified: appears in its own passage below)_ - **Operating condition:** Perform this service if you drive while towing a trailer, using a car-top carrier, or heavy vehicle loading. Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details. 10 Including operation on road that has road salt applied. 11 Perform this service if you operate with extensive idling and/or low speed driving for a long distance such as police, professional/private use like taxi or door-to-door delivery use.42 Maintenance MAINTENANCE CHART _(verified: appears in its own passage below)_ ## What the source says > Automatic Transmission Fluid(9,11) R ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Mileage/time interval > thousand mile interval MAINTENANCE CHART Special Operating 55 60 65 70 75 80 85 90 95 100 ### Action > I: Inspect, P: Perform, R: Replace, T: Torque ### Operating condition > Perform this service if you drive while towing a trailer, using a car-top carrier, or heavy vehicle loading. Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details. 10 Including operation on road that has road salt applied. 11 Perform this service if you operate with extensive idling and/or low speed driving for a long distance such as police, professional/private use like taxi or door-to-door delivery use.42 Maintenance MAINTENANCE CHART ## Source - https://assets.sia.toyota.com/publications/en/omms-s/T-MMS-25Highlander/pdf/T-MMS-25Highlander.pdf Last verified: 2026-09-08. Review by: 2027-09-08. Part of [OEM maintenance schedule by vehicle model and year, sourced from the manufacturer's own document](https://referencesource.org/oem-vehicle-maintenance-schedule-by-model/).