AutoTracks guides

Car care guides

Short, practical guides to owning a car well — written the way we'd explain it to a friend, not the way a brochure would. No jargon, no invented numbers, and where an answer honestly depends on your car, we say so.

• Where is the VIN on a car?

  Every spot the VIN appears — windshield, door jamb, engine, paperwork — and how to read it.

• How to keep a car maintenance log

  What to record after every service, formats that stick, and how to backfill missing years.

• Car maintenance schedule by mileage

  What typically comes due at 5k, 30k, 60k, and 90k miles — and which items age by years.

• How to prove service history when selling a car

  What counts as proof, how to rebuild lost records, and how to present them to buyers.

Free tools

Need a quick answer right now? The free VIN decoder turns any 17-character VIN into year, make, model, and trim — type it or snap a photo of the plate. No signup, nothing stored.