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What we measure on real Teslas: the battery and how it ages, Sentry Mode, the car's screen, and how to get the most out of it.
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How to save money at Tesla Superchargers
Since late April 2026, Tesla has been varying its prices sharply in France. At Superchargers, a kilowatt-hour cost Tesla owners from €0.16 to €0.42 in September, depending on the time and the station. Five simple habits to pay the right price, and a way to check what you really pay.
September 29, 2026 · 4 min read
How to extend the life of your Tesla's battery
Charging to 100% wears a battery out, except when it is exactly what you should do. It all depends on your Tesla's chemistry. Here is how to tell which one you have, the habits that really matter, and why your charging history is worth its weight in gold on resale day.
September 23, 2026 · 5 min read
Why every website suddenly got bigger in your Tesla
Since the summer update, your Tesla's screen renders everything about 53% larger. Your favorite site did not change, the browser did. Here is what happened, and what we did so iCar gets its screen back.
September 9, 2026 · 3 min read
TeslaMate, MyTeslaMate, iCar: what you actually pay
TeslaMate is free as long as you host it yourself. Having it hosted costs €4.99 per month per vehicle. iCar costs the same, covers two cars, and shows up on the Tesla screen instead of waiting on a server.
September 8, 2026 · 3 min read
Sentry Mode that arms itself, and a car that answers back
Tesla's Sentry Mode only protects you when it is on, and that is where it fails. iCar arms it at every parking, leaves it off at home, and makes the car answer when someone circles it. Without ever reading an address.
September 8, 2026 · 3 min read