Vinyl Decal Installation
1. Clean the area:
Do not simply spray the cleaner onto the car. Apply cleaner (rubbing alcohol) to a rag and wipe where the decal will stick to the car. Some cleaners like Windex or spray on cleaner-waxes leave a residue intended to help maintain shine. This residue will prevent the decal from sticking properly to the vehicle.
2. Allow the cleaned area to dry completely.
Decals won’t stick as well to a wet surface, so either dry the area you cleaned with a towel or allow it to air dry completely before moving on.
3. Peel off the beginning of the backing. 
Decals that are only a few inches long can have the backing completely removed.
Only peel off a bit of the backing at a time for larger decals such as ones that will stretch the length of the vehicle.
4. Unpeel the backing as you go & use a credit card to press out any bubbles.
Be careful not to press a sharp edge into the decal or it may tear it.
Small bubbles will disappear on their own over the first few days.