Polestar Polestar 1 2020–2021 — technical service bulletin
Bulletin SMB77-001P-2020- · NHTSA communication 10179850 · issued Aug 21, 2020
Technical service bulletin
communication type
Tires
component
2020–2021
model years
3
vehicle entries
Official summary
This is a Service Manager Bulletin: Polestar Tire Application Chart
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.