Keep the last service date and mileage so the next service decision has a real starting point. Your records remain in this browser unless you export them.
Your data stays in this browser
You can add several vehicles and record the service item, date, mileage and a short note. Export JSON or CSV before switching browsers or clearing storage. Import a previous JSON backup when needed. Delete all records with one control.
The garage does not store a VIN, send an email reminder or sync to a server. Use the schedule tool for a source-backed due calculation, then compare the result with your dashboard and manual.