What routine maintenance actually means
Oil change
5k–10k miles
Check manual for synthetic interval
Critical
Tire rotation
Check tread, not mileage
Wear depends on drivetrain & driving style
DIY
Tire pressure check
Monthly
Cold tires, PSI on driver door jamb
Schedule itDIY
Brake inspection
Every 12k miles
Replace pads below 3 mm
Critical
Cabin air filter
15k–25k miles
Behind the glove box — easy swap
When neededDIY
Engine air filter
15k–30k miles
Under the hood — drop-in replacement
When neededDIY
Spark plugs
30k–100k miles
Check manual; iridium lasts longest
Schedule it
Battery test
Every 3–4 years
Free at most parts stores
Critical
Brake fluid flush
Every 2–3 years
Absorbs water over time
Schedule it
Coolant flush
50k–100k miles
Check manual interval first
Schedule it
Timing belt
60k–100k miles
If your engine has a belt, not chain
Critical
Transmission fluid
30k–60k miles
Drain and fill, not aggressive flush
Schedule it
Wiper blades
Every 6–12 months
Replace when streaking
When neededDIY
Serpentine belt check
30k–60k miles
Replace if cracked or frayed
Schedule it