No programming or paring is needed. Install new batteries and works. Easy and full access to all the buttons. M501DA2, M501D-A2R, M501DA2R, M551D-A2, M551DA2, M551D-A2R, M551DA2R, M601D-A3. M501d-A2R, M501dA2R, M321i-A2, M321iA2, M401i-A3, M401iA3, M471i-A2, M471iA2, M501D-A2.
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