Every car has the same basic needs — fluids, filters, tires, brakes. What trips people up isn't knowing that maintenance matters, it's knowing when each thing is actually due. This guide breaks it down four ways: what to glance at monthly, what's tied to mileage, what changes with the seasons, and what your dashboard is actually trying to tell you.
Monthly checks — five minutes, no tools
Things that degrade quietly and are worth a quick look before they become a problem on the highway.
Tire pressure
Check cold, compare to the door-jamb sticker, not the tire sidewall.
Tire tread
Penny test: Lincoln's head fully visible means it's time to shop for tires.
Wiper blades
Streaking or skipping means it's time — cheap fix, bad visibility if ignored.
Washer fluid
Easy to forget until you need it mid-drive.
Exterior lights
Headlights, brake lights, turn signals — walk around and check, or ask someone to confirm while you brake.
Mileage milestones
The intervals that actually matter, in the order they tend to come due. Exact numbers vary by make and model — this is the general shape.
Oil & filter
Every 5,000–7,500 mi
Tire rotation
Every 5,000–8,000 mi
Cabin air filter
Every 15,000–25,000 mi
Engine air filter
Every 15,000–30,000 mi
Brake pads
Every 25,000–65,000 mi
Transmission fluid
Every 30,000–60,000 mi
Spark plugs
Every 30,000–100,000 mi
Timing belt (if equipped)
Every 60,000–100,000 mi
The spread on brake pads and spark plugs is wide on purpose — driving style and conditions change these more than almost anything else on this list. This is exactly why a generic schedule and your car's actual schedule can drift apart without you noticing.
Seasonal prep
Two windows a year when it's worth a slightly closer look than usual.
Before winter
Battery test (cold kills weak batteries fast), coolant/antifreeze level, tire tread depth, cabin heater function.
Before summer / road trips
A/C performance, coolant level, tire pressure (heat changes it fast), wiper blades before storm season.
Dashboard lights — what's urgent, what can wait
Not every light means pull over now. Here's the rough triage.
🔴
Oil pressure / temperature / brake warning
Stop as soon as it's safe. Driving on these can turn a repair into a replacement.
🟠
Check engine — steady
Get it scanned soon; it's often something minor, but it can also be masking something that isn't.
🟡
Check engine — flashing
This one's urgent — a flashing light usually means active engine misfire. Reduce speed and get it looked at right away.
🔵
Tire pressure (TPMS)
Check pressure when convenient — not an emergency, but don't ignore it for weeks.
Let AutoCoach track all of this for you
Enter your VIN once, and AutoCoach builds this entire schedule automatically for your exact vehicle — what's due, what's overdue, and what's next.