Thread: GM Nav Disk : 25974486 .. does it exist?
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Old 06-18-09, 01:02 PM
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Re: GM Nav Disk : 25974486 .. does it exist?
Thanks Jim,

Now, I have 4.0, and it does a graphic of the approaching interchange in a box on the right already. how is 4.1 different from the 4.0 ramp emulation?