MAINTENANCE INTERVAL12 months / 10,000 miles scheduled oil service
Replace engine oil with SAE 0W-20 and replace the oil filter at 12 months or 10,000 miles, whichever occurs first.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide scheduled-maintenance log.
- Source location
- Scheduled Maintenance Log — 12 months / 10,000 miles; Explanation of Maintenance Items — Engine Oil and Oil Filter
- Conditions
- This is a scheduled-maintenance milestone, not permission to extend oil changes to 10,000 miles under every operating condition.
- The same guide specifies 6 months / 5,000 miles when the vehicle is driven primarily under listed special operating conditions.
- Boundary
- Exact schedule claim is limited to the guide's stated model-year and operating-condition scope.
Source-reviewed band · per oil-change service · not vehicle-specific · not a quotePrice evidence reviewed 2026-09-23 · USD estimate · ECB rates dated 2026-10-05 · not local prices · ECB reference ratesUSD $160–$188
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) MAINTENANCE INTERVALSpecial operating conditions oil interval
Replace engine oil and the oil filter every 6 months or 5,000 miles when driving primarily under the guide's listed special operating conditions.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide special-operating-condition schedule.
- Source location
- Special Operating Conditions; Scheduled Maintenance Log notes
- Conditions
- Applies only when driving primarily under one or more of the special operating conditions identified by Lexus in the guide.
- Do not apply this shorter interval merely because one listed condition occurs occasionally.
Source-reviewed band · per oil-change service · not vehicle-specific · not a quotePrice evidence reviewed 2026-09-23 · USD estimate · ECB rates dated 2026-10-05 · not local prices · ECB reference ratesUSD $160–$188
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) FLUID SPECIFICATIONEngine-oil grade, viscosity, and reference capacity
Use Lexus-approved Toyota Genuine Motor Oil or equivalent meeting ILSAC GF-5; recommended viscosity is SAE 0W-20. If SAE 0W-20 is unavailable, SAE 5W-20 may be used temporarily, but return to SAE 0W-20 at the next oil change. Drain-and-refill reference capacity with a filter: 6.6 qt (6.2 L) for 2WD or 6.8 qt (6.4 L) for AWD; without a filter: 6.2 qt (5.9 L) for 2WD or 6.3 qt (6.0 L) for AWD.
- Applies to
- U.S. 2015 Lexus IS 250 2.5L V6, using the Owner’s Manual drivetrain-specific 2WD or AWD capacity column; confirm the exact drivetrain and service configuration.
- Source location
- OM53C50U — 9-1 Specifications, Engine oil selection and Oil capacity (drain and refill [reference]), pp. 514–515
- Conditions
- The manual labels these drain-and-refill quantities as reference capacities, not guaranteed fill amounts. Check the level on the dipstick on level ground after warming the engine, shutting it off, and waiting more than 5 minutes; avoid overfilling.
- The manual’s SAE 5W-20 allowance applies only when SAE 0W-20 is unavailable and requires returning to SAE 0W-20 at the next oil change.
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 Lexus IS 250 / IS 350 Owner’s Manual — OM53C50UManufacturer-issued U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual (OM53C50U), reviewed from the Lexus-hosted manual PDF. IAR uses this record only for exact specifications explicitly stated in the manual and preserves model, drivetrain, tire-type, temperature, and reference-capacity qualifiers. It does not establish hidden VIN equipment, repair labor procedure, part fitment, calibration, or applicability to another model year or market.
Published 2015 · Retrieved 2026-09-24 (opens in a new tab) MAINTENANCE INTERVAL36 months / 30,000 miles brake-fluid replacement
Replace brake fluid at the 36-month or 30,000-mile scheduled-maintenance milestone, whichever occurs first.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide scheduled-maintenance log.
- Source location
- Scheduled Maintenance Log — 36 months / 30,000 miles; Explanation of Maintenance Items — Brake Fluid
- Conditions
- This claim states the 30,000-mile/36-month milestone shown in the guide; it does not invent a brake-fluid type because the guide directs fluid type selection to the Owner's Manual.
Source-reviewed band · per brake-fluid flush · not vehicle-specific · not a quotePrice evidence reviewed 2026-09-23 · USD estimate · ECB rates dated 2026-10-05 · not local prices · ECB reference ratesUSD $173–$205
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) MAINTENANCE INTERVAL72 months / 60,000 miles spark-plug replacement
Replace the spark plugs at the 72-month or 60,000-mile scheduled-maintenance milestone, whichever occurs first.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide scheduled-maintenance log.
- Source location
- Scheduled Maintenance Log — 72 months / 60,000 miles; Explanation of Maintenance Items — Spark Plugs
- Conditions
- The guide marks this replacement as required under the Emission Control Warranty.
- The maintenance-item explanation says replacement plugs should be the same type as originally equipped; IAR does not publish a plug part number from this source.
Source-reviewed band · per spark-plug service · not vehicle-specific · not a quotePrice evidence reviewed 2026-09-28 · USD estimate · ECB rates dated 2026-10-05 · not local prices · ECB reference ratesUSD $288–$399
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) MAINTENANCE INTERVAL120 months / 100,000 miles engine-coolant replacement
Replace engine coolant initially at 120 months or 100,000 miles, whichever occurs first; thereafter, replace it every 60 months or 50,000 miles.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide scheduled-maintenance log.
- Source location
- Scheduled Maintenance Log — 120 months / 100,000 miles; Explanation of Maintenance Items — Engine Coolant
Source-reviewed band · per coolant-change estimate · not vehicle-specific · not a quotePrice evidence reviewed 2026-09-23 · USD estimate · ECB rates dated 2026-10-05 · not local prices · ECB reference ratesUSD $440–$512
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) FLUID SPECIFICATIONEngine-coolant chemistry specification
Use Genuine Toyota Super Long-Life Coolant or a similar high-quality ethylene-glycol coolant that is non-silicate, non-amine, non-nitrate, non-borate and uses long-life hybrid organic acid technology.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide maintenance-item explanation for engine coolant.
- Source location
- Explanation of Maintenance Items — Engine Coolant
- Conditions
- This is a coolant-type/chemistry boundary from the guide; IAR does not infer cooling-system capacity, mixture quantity, bleed procedure, or an alternative brand approval beyond the source wording.
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) MAINTENANCE INTERVAL6 months / 5,000 miles tire-rotation milestone
Rotate the tires at the 6-month or 5,000-mile scheduled-maintenance milestone, whichever occurs first.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide scheduled-maintenance log.
- Source location
- Scheduled Maintenance Log — 6 months / 5,000 miles; Explanation of Maintenance Items — Tire Rotation
- Conditions
- The guide footnote limits scheduled tire rotation to models with the same size front and rear tires and wheels.
- For tire-rotation requirements beyond the schedule entry, the guide directs the owner to the Owner's Manual; IAR does not assume a rotation pattern for staggered setups.
Planning range unavailableVerify the exact vehicle and local service scope
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) MAINTENANCE INTERVAL36 months / 30,000 miles drivetrain inspection items
Inspect rear differential oil and transmission for signs of leakage; on IS 250 AWD, also inspect front differential oil and the transfer case for signs of leakage.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide scheduled-maintenance log.
- Source location
- Scheduled Maintenance Log — 36 months / 30,000 miles
- Conditions
- Front-differential and transfer-case items are explicitly limited to IS 250 AWD in the guide.
- This is an inspection claim, not a fluid-replacement interval or fluid specification.
Planning range unavailableVerify the exact vehicle and local service scope
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) MAINTENANCE INTERVALNo periodic transmission-fluid service scheduled
The guide states that periodic checks and replacement of the transmission fluid are not required because the transmission/transfer-case and transmission-fluid assembly is sealed and has no transmission dipstick.
- Applies to
- Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide maintenance-item explanation for Transmission/Transfer Case.
- Source location
- Explanation of Maintenance Items — Transmission/Transfer Case
- Conditions
- This does not mean the transmission can never require service. The guide says repairs requiring fluid addition or replacement should follow Lexus service and repair publications and be performed by a qualified technician.
Planning range unavailableVerify the exact vehicle and local service scope
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 IS 250 Warranty and Services Guide — 00505–15WSG-IS250Manufacturer-issued U.S. 2015 Lexus IS 250 Warranty and Services Guide (document 00505–15WSG-IS250; printed 6/14), reviewed from an archived text mirror. IAR uses this record only for scheduled-maintenance and maintenance-item explanation claims explicitly present in the guide and preserves mileage/time, drivetrain, tire-size, and special-operating-condition qualifiers. It does not establish repair procedures, torque values, part fitment, calibration, or applicability to a different model year, model, or market.
Published 2014-06 · Retrieved 2026-08-17 (opens in a new tab) FLUID SPECIFICATIONBrake-fluid specification
Use brake fluid meeting SAE J1703 or FMVSS No. 116 DOT 3.
- Applies to
- U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual OM53C50U brake specifications and brake-fluid service section.
- Source location
- OM53C50U — Do-it-yourself maintenance, Brake fluid; 9-1 Specifications, Brakes
- Conditions
- Use only newly opened brake fluid; the manual warns that absorbed moisture can reduce braking efficiency.
- This specification does not by itself authorize bleeding, ABS actuator procedures, or a fluid-change method.
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 Lexus IS 250 / IS 350 Owner’s Manual — OM53C50UManufacturer-issued U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual (OM53C50U), reviewed from the Lexus-hosted manual PDF. IAR uses this record only for exact specifications explicitly stated in the manual and preserves model, drivetrain, tire-type, temperature, and reference-capacity qualifiers. It does not establish hidden VIN equipment, repair labor procedure, part fitment, calibration, or applicability to another model year or market.
Published 2015 · Retrieved 2026-09-24 (opens in a new tab) FLUID SPECIFICATIONAutomatic-transmission fluid type and reference capacity
Toyota Genuine ATF WS. The manual lists reference capacities for IS 250 of 7.9 qt (7.5 L) for 2WD and 9.9 qt (9.4 L) for AWD.
- Applies to
- U.S. 2015 Lexus IS 250 Owner’s Manual OM53C50U automatic-transmission specification table; drivetrain must be known before using the listed reference capacity.
- Source location
- OM53C50U — 9-1 Specifications, Automatic transmission
- Conditions
- The manual explicitly calls fluid capacity a reference quantity and says to contact a Lexus dealer if replacement is necessary.
- Do not treat total reference capacity as a drain-and-fill amount, pan service quantity, or proof of transmission variant for a VIN.
- The manual warns that fluid other than Toyota Genuine ATF WS may cause shift-quality deterioration or transmission damage.
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 Lexus IS 250 / IS 350 Owner’s Manual — OM53C50UManufacturer-issued U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual (OM53C50U), reviewed from the Lexus-hosted manual PDF. IAR uses this record only for exact specifications explicitly stated in the manual and preserves model, drivetrain, tire-type, temperature, and reference-capacity qualifiers. It does not establish hidden VIN equipment, repair labor procedure, part fitment, calibration, or applicability to another model year or market.
Published 2015 · Retrieved 2026-09-24 (opens in a new tab) FLUID SPECIFICATIONFront-differential oil specification — AWD only
IS 250 AWD front differential: 0.74 qt (0.70 L) reference capacity; hypoid gear oil API GL-5, SAE 90 above 0°F (-18°C), or SAE 80W / SAE 80W-90 below 0°F (-18°C).
- Applies to
- U.S. 2015 Lexus IS 250 AWD only, per OM53C50U front-differential specifications.
- Source location
- OM53C50U — 9-1 Specifications, Front differential (AWD models)
- Conditions
- Do not apply this front-differential specification to a rear-wheel-drive vehicle.
- This is a fluid specification/reference capacity, not a drain/fill procedure or service interval.
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 Lexus IS 250 / IS 350 Owner’s Manual — OM53C50UManufacturer-issued U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual (OM53C50U), reviewed from the Lexus-hosted manual PDF. IAR uses this record only for exact specifications explicitly stated in the manual and preserves model, drivetrain, tire-type, temperature, and reference-capacity qualifiers. It does not establish hidden VIN equipment, repair labor procedure, part fitment, calibration, or applicability to another model year or market.
Published 2015 · Retrieved 2026-09-24 (opens in a new tab) FLUID SPECIFICATIONRear-differential oil specification
IS 250 rear differential: 1.20 qt (1.15 L) reference capacity; Toyota Genuine Differential Gear Oil LT 75W-85 GL-5 or equivalent.
- Applies to
- U.S. 2015 Lexus IS 250 rear-differential specification in Owner’s Manual OM53C50U.
- Source location
- OM53C50U — 9-1 Specifications, Rear differential
- Conditions
- The manual describes capacity as a reference quantity and directs owners to Lexus for replacement details.
- This does not establish a replacement interval, drain/fill procedure, or aftermarket-product approval beyond meeting the stated specification.
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 Lexus IS 250 / IS 350 Owner’s Manual — OM53C50UManufacturer-issued U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual (OM53C50U), reviewed from the Lexus-hosted manual PDF. IAR uses this record only for exact specifications explicitly stated in the manual and preserves model, drivetrain, tire-type, temperature, and reference-capacity qualifiers. It does not establish hidden VIN equipment, repair labor procedure, part fitment, calibration, or applicability to another model year or market.
Published 2015 · Retrieved 2026-09-24 (opens in a new tab) TIRE SPECIFICATIONListed original-equipment cold tire pressure
The Owner’s Manual specification tables list 36 psi (250 kPa) cold pressure for the front and rear tires across Types A–E, with 60 psi (420 kPa) for the temporary spare.
- Applies to
- U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual OM53C50U tire Types A–E; actual vehicle tire/placard configuration must still be confirmed.
- Source location
- OM53C50U — 9-1 Specifications, Tires and wheels, Types A–E
- Conditions
- Use the vehicle tire-information placard as the final pressure authority if the installed vehicle configuration or labeling differs.
- The manual lists multiple wheel/tire size and speed-rating combinations; this fact does not identify which Type A–E configuration a particular VIN has.
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 Lexus IS 250 / IS 350 Owner’s Manual — OM53C50UManufacturer-issued U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual (OM53C50U), reviewed from the Lexus-hosted manual PDF. IAR uses this record only for exact specifications explicitly stated in the manual and preserves model, drivetrain, tire-type, temperature, and reference-capacity qualifiers. It does not establish hidden VIN equipment, repair labor procedure, part fitment, calibration, or applicability to another model year or market.
Published 2015 · Retrieved 2026-09-24 (opens in a new tab) TORQUE SPECIFICATIONWheel-nut torque
Wheel-nut torque: 76 ft·lbf (103 N·m, 10.5 kgf·m).
- Applies to
- U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual OM53C50U tire/wheel specification tables, where the same torque is listed for Types A–E.
- Source location
- OM53C50U — 9-1 Specifications, Tires and wheels, Types A–E
- Conditions
- This is the wheel-nut torque published in the Owner’s Manual; it does not authorize unrelated chassis, brake, axle, or suspension torque values.
- Confirm the wheel/stud hardware is original-equivalent and serviceable before applying a published torque specification.
Lexus / Toyota Motor Sales, U.S.A., Inc.2015 Lexus IS 250 / IS 350 Owner’s Manual — OM53C50UManufacturer-issued U.S. 2015 Lexus IS 250 / IS 350 Owner’s Manual (OM53C50U), reviewed from the Lexus-hosted manual PDF. IAR uses this record only for exact specifications explicitly stated in the manual and preserves model, drivetrain, tire-type, temperature, and reference-capacity qualifiers. It does not establish hidden VIN equipment, repair labor procedure, part fitment, calibration, or applicability to another model year or market.
Published 2015 · Retrieved 2026-09-24 (opens in a new tab)