Park it in the direct sun for a few hours or using a blow dryer to heat it up. Then use some 10lb test (or less) fishing line and use it to slice your way behind the emblem to separate it from the adhesive. Then use some mild bug and tar remover to get rid of the adhesive.
I just did this the other day to my new SUV to take off the dealer emblem. Took me all of 1/2 hour
I just did this the other day to my new SUV to take off the dealer emblem. Took me all of 1/2 hour