Mazda MAZDA3 2022 — technical service bulletin
Bulletin SA-056-21 · NHTSA communication 10205993 · issued Dec 14, 2021
Technical service bulletin
communication type
Electrical System
component
2022
model years
1
vehicle entries
Official summary
Auxiliary Key Blank Replacement Procedure If All Keys Lost (Temporary Procedure): If both auxiliary keys are lost, the key cutting machines cannot cut new replacement keys using the vehicle key code.
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.