Tighten the bolts securely, but do not over tighten.
There are four adhesive strips: two are permanently mounted to the tag, and two are for mounting to the windshield.If your vehicle has tinted glass, make sure the device is at least 1 inch below the tinted section of glass. Locate the correct position for the tag - the upper center portion of your windshield behind the rearview mirror, at least 1 inch to the right of the mirror and at least 1 inch below the top edge of the windshield.This side faces the interior of the vehicle with the arrows on the tag pointing toward the roof.
Identify the front face of your E-ZPass tag (it will have the label with the Maine Turnpike Logo and the tag serial number).Clean and dry the inside of your windshield around the rearview mirror.