Polestar Polestar 1 2020–2021 — technical service bulletin
Bulletin 3554220 · NHTSA communication 10232123 · issued Jan 6, 2023
Technical service bulletin
communication type
Electrical System
component
2020–2021
model years
4
vehicle entries
Official summary
Checklist if 12 Volt battery is drained - Perform SW Upgrade
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.