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Does anyone know if there is a higher revision number than 6.0 for the navigational system used on the 2004 CTS. It is also marked Q4-01.
Is the Q4-01 the date code and if it is does that mean the 4th quarter of 2001.

I find that a number of stores listed have been out of business 1.5-2 years. I called Cadillac and they was not sure if it was the latest. This DVD is manufactured by Zenrin CO LTD. I sent out an E-MAIL to them a few days ago but so far no reply.

If anyone has a Navigation system could they look at the markings on the DVD for the information and also supply the datecode when their car was manufacture. Its on the edge of the drivers door.

Thanks and have a great weekend.

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