Turns out the button was not in the locked position, it was just a bit stiff, probably has not been used in years. A little WD-40 and it's operating normally again.
Also the Burgundy paint turned out to be a near exact match! I initially removed the Decal from the cover... Came off nicely with the use of a hair-dryer. But the logo was different... from another model year and was also trimmed up with green... So I decided to leave it off.
Replaced one of the hinges with a brass unit. Used appropriately sized screws instead of rivets... Miraculously the holes lined up perfectly, worked fantastic.
The biggest job was getting the latch to line up just right... after about an hour of fiddling with that, it closes perfectly now and with a perfect colour match, it is as good as new!
The other bonus was that the radio made a bit of a vibration noise at about 3000 RPM's... With the cover on, you can't hear the noise anymore!
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