First, check the material underneath the emblem. Mostly, it will be ABS plastic, SHEETMETAL, or carbon fiber. If you have ABS plastic or carbon fiber, these materials are more sensitive to heat while SHEET METAL is not. If using a heat gun, you only need about one to one-and-a-half minutes to loosen the backside adhesive. A hairdryer might take one more minute. Keep your heating tool about six to ten inches away when using the high mode.