Used Tesla battery check: what to inspect before you buy

What to check on a used Tesla’s battery before buying: remaining warranty, capacity, charging habits, the underside of the pack, signs of moisture and questions for the seller.
Tesla diagnostics: reading fault codes with Toolbox 3

Why a generic OBD reader does not work on a Tesla, what BMS, DI and VCFRONT alerts mean, and how diagnostics with Toolbox 3 work.
Tesla maintenance cost: what the bill is made of

What servicing a Tesla really costs, what the invoice consists of and how to keep yearly costs predictable.
Tesla maintenance schedule: what to service and when

What Tesla actually recommends servicing, at what intervals, and what the salted winter roads of Estonia and Finland add to the list.
Tesla not charging: common causes and fixes

Tesla not charging? Start with the charge port light and the touchscreen alert. Seven common causes you can check yourself, and the signs that it is time for diagnostics.
Tesla battery warranty: what it covers and what comes after

The Tesla battery warranty runs 8 years and 160,000–240,000 km. What it covers, what it excludes and your options once it ends.
Tesla Model S 85 battery: corrosion, moisture and BMS failure

A Model S 85 whose BMS reported 95 % charge while the pack gave only 50 V. What we found inside and how to protect an older pack from moisture.
Tesla battery health check: how to test the battery and read the result

How to check the health of a Tesla high-voltage battery, what the built-in test percentage means and when workshop measurements are needed.
EV battery repair in Estonia: what Finland’s 2026 battery guidance changed

Finland’s 2026 battery guidance raised fears that EV batteries could no longer be repaired. We explain what the authorities actually said and how EV battery repair works in Estonia.
Tesla battery repair: when to repair the battery and when to replace it

Which Tesla high-voltage battery faults can be repaired, when a new battery is the better choice and how a battery repair works in the workshop.