More on OSRV mirrors. Of the four OS mirrors on my two 74 FB's only the drivers side mirror on the Nov 73 car has a date code & none of them have the caution on the passenger side mirror. The code is 2 DMI 2, kind of an early date for a 74 car?? The DMI stands for Donnelly Mirror Inc. They made a lot of the GM mirrors. I google'd their name and found a site (not sure if it was there official site) that has, what they claim to be OEM mirror glass, with & without the caution warning. They seem real pricy for what I think is the same glass as Pep Boys & others sell at a much lower price. But maybe they will etch the xx DMI xx codes, to make your mirror as original as possible. Like auto glass date coding. Just a thought!
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