Guides, with the sources shown
Answers to the questions owners ask most, written from Tesla's own documentation and official price tables, each with its sources and the date we checked them. Guides built on numbers measured from cars will follow once there are enough of them to publish honestly.
- How it works
What Fleet Telemetry actually is
How Tesla's Fleet Telemetry streams data from the car to an app's server, what a car needs, what it costs the app, and why it replaces polling.
Published 7 October 2026
- Sleep and polling
Does a Tesla app wake your car?
Polling, waking and sleep, from Tesla's own documentation: how to see which apps can wake your car, what else drains it, and how DashM8 avoids it.
Published 7 October 2026
- Charging
What it costs to charge a Tesla
The method: energy drawn from the charger times your price. Worked examples from official US, UK and Türkiye tariffs, and why losses matter.
Published 7 October 2026
- Battery
How to check battery health
Tesla's own battery health test, what the range figure can and cannot tell you, the warranty line, and how DashM8 shows two numbers side by side.
Published 7 October 2026
- Parked drain
Fixing phantom drain
What uses energy while a Tesla is parked, according to Tesla's manual, which settings to check in order, and how to tell whether a change worked.
Published 7 October 2026
- Your data
Export your Tesla data
Tesla's data request, Supercharger invoices, dashcam clips and the Fleet API: what each gives you, how long it takes, and how to export from DashM8.
Published 7 October 2026
- Coming from another app? What each one lets you export
- What changed in DashM8 recently
- Everything DashM8 measures
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