i just used dental floss to take my emblems off...

 

time to floss my car tomorrow

 

http://www.focusfanatics.com/howtos/debadge/

I followed that link and it worked like a charm, so I thought I would share. It took me about 1.5 hours to complete and I used dental floss, a hairdryer, soft rags, wax, more clean soft rags, and KFC...yeah I was eating my dinner when I did this.
I used WD40 and it did not help at all...instead it made the 2 sided tape more slippery and harder to remove. It probably would be easier to do this in the sun since this keeps the adhesive warm at all times, but it was night time when I did it.

start
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After heating up the letters take them out one by one. This is easy
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the Fuji takes more muscle and time.
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heat up the 2 sided tape again and remove in big chunks.
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you end up with something that looks like this.
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use some wax to get rid of the shading left behind by the letters and buff out. I had to repeat this process about 5 times to get a smooth look.
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When I was done I waxed the entire trunk and spoiler to even things out.