If both key transmitters are lost, MDARS key programming functions may be missing, not allowing new key...
Mazda technical service bulletin SA-043-21 for 2019-2021 Mazda MAZDA3 and 2020-2021 Mazda CX-30.
- Bulletin number
- SA-043-21
- Component
- Equipment
- Summary
- If both key transmitters are lost, MDARS key programming functions may be missing, not allowing new key transmitters to be added. Use the procedure below to program new key transmitters when both keys are lost.
Vehicles covered
- Mazda MAZDA3 2019-2021 201920202021
- Mazda CX-30 2020-2021 20202021
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