Maximize Toll Savings The Best Place to Mount Your IPASS in Illinois

- To install, the transponder snaps in place inside the holder, then just slide the protruding piece where the roof meets the windshield, and it will stay there ... Place the IPASS transponder at least 1 inch below the top of the windshield (easy enough) and on the left side 1 inch away from the rear view mirror post. And, it you're like me and refuse to Velcro the transponder to your dashboard or windshield ... put the car in reverse and then turn it off. The stickers are required to be placed on a vehicle's windshield – near the rearview mirror. They are not designed to be moved between vehicles. Instructions say to mount the sticker on the inside of the windshield in the area behind the rear view mirror. Just curious whereabouts you have mounted yours. Illinois Ipass works in 16 states and Canada but not Iowa :rofl1 ... I called them and told them I was on a bike and no where to put ... I-PASS Sticker Tags are required to be mounted to a vehicle's windshield near the rearview mirror, according to the Tollway. I did a Google search and most of the placement posts said the transponder should be 1 inch to the right of the mirror . oldnotdeadyet June 30, ... I have been using the plastic velcro supplied by the Tollway to mount mine on the windshield just behind and to the left of the inside rearview ... To me the best place to install it is directly below the spot where the mirror/camera system attaches to the windshield. However when I got out ...