Getting started

First runThe six setup screens, what each permission enables, and what stays unavailable without it.Home screenThe opening dashboard: active vehicle, connection state, the three sensor blocks and the shortcut grid.Register a vehicleThe six-screen wizard, and what each field changes in the rest of the app.My GarageSwitching the active vehicle, editing its data, setting the primary one and handling cars you no longer have.

Adapter and sensors

Connect the adapterChoosing the connection type your phone supports, pairing the adapter and turning on the automatic start when the car turns on.Adapter data and settingsWhat the app learned from the adapter, and the settings that fix slow or unstable readings.Sensor ProfilesThe Standard, Advanced and User tabs, installing the manufacturer's profile and what to do to keep readings fast.Discover sensorsProbing the car's ECU for readings the catalog does not have.

Driver

TripsBrowsing the history, deleting, registering a trip by hand, merging split trips and opening the map of each one.Smart DrivingThe two driving scores, what affects each one and the detailed report of the period.Head-up DisplayProjecting readings onto the windshield, mirroring the image and choosing what appears.Acceleration and braking testsMeasuring a launch, braking time and braking distance, and comparing the results over time.DashcamRecording the road through the phone camera and finding the videos afterwards.ParkingFinding where the car was left, setting a parking meter alarm and keeping a photo and a note of the spot.

Vehicle

TimelineEverything that happened to the car in chronological order, and the shortcut to enter any record.RefuelingEntering a fill-up, reading the consumption statistics and comparing them with the trip computer.Vehicle maintenanceFollowing wear items by mileage and by time, and recording each replacement.ExpensesEntering what the car costs beyond fuel, and keeping personal use apart from professional use.IncomesRecording what the car brings in, to close the books for anyone driving professionally.ServicesRecording what was done at the shop, with cost, date and receipt.RemindersBeing warned by date, by mileage or by both, with automatic repetition.

Mechanic

Live DataFollowing everything the car is reporting right now, in three layouts.PanelBuilding an instrument panel of your own with the sensors you follow.DiagnosticsReading the fault codes, understanding what each one points to and clearing the light safely.Freeze FrameThe state of the car at the instant the fault was recorded, the most useful piece of the diagnosis.Tire pressureChecking the pressure of each wheel, running the sensor discovery and fixing swapped readings.Supported SensorsChecking what your car really delivers and choosing what is read, shown and exported.Emission TestsThe self-tests the ECU runs on its own, and why they matter before an inspection.OBD monitorsThe results of the tests the car runs on its own emission systems, with the limits set by the manufacturer.O2 sensorsThe results of the tests the car runs on its oxygen sensors and their heaters.EVAP testPrepare the evaporative system for a leak test done with workshop equipment.VIN decoderWhat the 17 characters of the VIN say about the car, anywhere in the world and without internet.TerminalSending commands straight to the adapter and seeing the raw answer.

Home Assistant and MQTT

Home AssistantPairing through the native integration, choosing the sync mode and knowing the limits of the free plan.MQTTPublishing the readings to a broker of your own and choosing between the five message formats.

Routines and shortcuts

Routines on AndroidLauncher shortcuts, system routines, Samsung Modes and Routines, and automation apps such as MacroDroid and Tasker.Shortcuts on iPhoneThe Shortcuts app, Siri, and automations that fire Car 2 Home actions without opening the app.

Account and system

SettingsThe map of every settings screen, and where to find each option.Account and plansSigning in, knowing what each plan unlocks, restoring purchases and deleting the account.Backup and exportSaving the data to a file of your own, restoring it later and taking everything to a spreadsheet.Language and UnitsChanging the app language and choosing the unit of each measure and the currency.Appearance and home screenTheme, Live Activities, Android Auto and the layout of the shortcut grid.NavigationHow the app detects the start and end of a trip, reconnects to the car in the background and draws the route.CalibrationsSpeed correction, alert thresholds, sensors recorded per trip and performance settings.Main sensorsChoosing where the app reads fuel level, odometer, speed, engine RPM, ethanol, fuel rate and the electric inputs from when the car does not answer the standard sensor.App PermissionsWhat each permission supports, what stops working without it and how to grant what was denied before.StorageChecking what takes space on the device, what is already backed up and how to free space.