Tesla battery degradation is slower than many expect. How much capacity a Tesla loses over the years, what speeds it up and when it is a fault.

What Tesla’s warranty and EU rules say about independent servicing, what stays with Tesla during the warranty and how to choose a workshop.

Six steps to take before buying a used Tesla: registry data, warranty, alert log, battery, suspension, body and a test drive.

A BMS alert can let you keep driving or tell you not to charge. We explain what the BMS alerts in Tesla’s owner’s manual mean and why clearing…

A new Tesla battery pack can cost tens of thousands of euros. We explain what drives the price, what the warranty covers and when a repair makes more…

Can a weak module be replaced without renewing the whole pack? When it works on Model S and Model X, and why Model 3 and Model Y are…

If your Tesla will not drive or charge although the pack is charged, a contactor or the battery fuse may be at fault. Signs and replacement by model.

Lead-acid or lithium-ion, low voltage battery alerts and symptoms, why a flat 12V battery strands a Tesla and how the battery is replaced.

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.

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.

What servicing a Tesla really costs, what the invoice consists of and how to keep yearly costs predictable.

What Tesla actually recommends servicing, at what intervals, and what the salted winter roads of Estonia and Finland add to the list.