Select the model of your navigation system and find out what the latest mapping SD-Card, CD-ROM or DVD-ROM is.

Kenwood navigation model    -- Navi Model --DNX9260BTDNX9240BTDNX8220BTDNX7260BTDNX7240BTDNX7220DNX7200DNX5260BTDNX5240BTDNX5220DNX5220BTKNA-G620TKNA-G520KNA-G421KNA-G421V