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IAR explains what each maintenance item protects and what to inspect. Your owner’s manual and manufacturer information control the interval, fluid, part, and procedure.
! Needs exact verificationMileage, time, severe-service, market, and powertrain requirements differ.
Fluid chemistry, viscosity, approvals, part design, and capacity must match.
Usage and condition can change what needs attention without rewriting the manufacturer schedule.
Record date, mileage, materials, observations, and the source used.
Maintenance is useful when the schedule, material, condition, any bounded planning context, and completed work are all tied back to the exact vehicle.
Follow the sequence, stop when evidence changes the path, and verify the exact vehicle information before acting.
17 of 17 published maintenance topics currently carry five-currency planning bands. Each band is a planning aid—not a quote; exact schedule, material, capacity, and procedure still require vehicle-specific verification.
Use the exact oil specification, quantity, filter, interval, and reset procedure for the vehicle.
Inspect condition and sealing; replacement intervals depend on vehicle and environment.
A restricted filter can reduce airflow, but blower, door, and evaporator conditions can also matter.
Plug type, gap, access, interval, and torque are engine-specific.
Fluid type, level method, temperature window, and service strategy require exact documentation.
Use only the specified fluid and service process; contamination can compromise safety.
Coolant chemistry, concentration, capacity, fill, and bleed procedure vary by vehicle.
Axle type, fluid specification, fill level, and limited-slip requirements must match the vehicle.
Use the exact fluid and level procedure for the installed transfer case.
Inspect cracking, contamination, tracking, tensioner behavior, and pulley condition.
Interval and replacement scope are engine-specific; failure can cause severe damage on some designs.
Chains are not universally lifetime parts; diagnose noise and correlation faults using exact procedures.
Battery type, registration, venting, location, and replacement procedure vary.
Use the vehicle placard pressure and inspect wear, damage, age, load rating, and tread condition.
Inspect friction material, hardware, rotor condition, hydraulics, and wear-sensor requirements.
Service limits, runout, fastener torque, and bedding guidance must be exact.
Replace for streaking, damage, poor contact, or degraded visibility; verify correct attachment and size.