[header] How to fix a bad window tinting job on your car [title] Seek the help of a professional. [step] This is the ideal route to take if you paid a professional to apply window tinting and the tint job is still under warranty. [title] Press out the bubbles. 
[substeps] Heat the bubbled area with a hair dryer to soften the film adhesive. Use a credit card or small squeegee to press out the bubbles.