Mazda CX-30 2019–2020 — technical service bulletin
Bulletin SA-004-20a · NHTSA communication 10176042 · issued May 11, 2020
Technical service bulletin
communication type
Equipment
component
2019–2020
model years
7
vehicle entries
Official summary
In order to ensure key code security, MNAO has restricted key code access for the new auxiliary key. This Service Alert provides information on how to obtain the 10-digit key code needed for cutting a new auxiliary key blank if all auxiliary keys are lost.
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.