Try to gently pry off the tape with a knife or razor blade. Sometimes this is enough to remove any old tape. If this does not work, use one of the following methods:
Purchase in store a special drive to remove double-sided tape. Of course, it is not cheap, but its price is justified, since it removes adhesive tape without any problem, leaving no trace. In addition, one disc will last for a very long time.
Soak a rag with kerosene or white spirit. Put the cloth on the tape and gently RUB it. As soon as the tape is soft, pry it up and peel off from the surface. All traces remove the same alcohol or kerosene. Sometimes, in order to Scotch is softened, has a very long time rubbing it with a damp cloth. However, take into consideration that white alcohol can darken the paint surface.
Heat the tape with hair dryer or by means of the usual rubbing. As soon as it is warm, gently and slowly podavaite it better come scoop up from the surface. All traces left by the tape, wipe with a cloth moistened with rubbing alcohol.
Purchase in store or from painters of the special eraser. Insert it into the drill and with his help attrite all the tape. Wipe the remaining traces of kerosene or alcohol.
If you could not unstick the tape yourself or you are afraid to damage your surface, ask for help in workshop, and experts in their field will certainly help you and answer your questions.
In the case when at hand no means by which it would be possible to scrub all the tape you can use ordinary vegetable oil, but this method of scouring it requires great care, patience, and most importantly slowly. After all, if you hurry, you can get dirty in the oil all things, and then it will become in addition to traces from the tape, to remove unwanted oil and residue.