Subaru Crosstrek 2018–2021 — technical service bulletin
Bulletin 12-311-21 · NHTSA communication 10188199 · issued Feb 25, 2021
Technical service bulletin
communication type
Structure
component
2018–2021
model years
4
vehicle entries
Official summary
This bulletin announces a design change made to the windshield side cowl panels to address isolated concerns of a buzzing / rattle-type sound heard while driving.
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.