IPASS Placement Perfected A Guide to Effortless Tolling in Illinois

I will be traveling to Chicago to visit family in a few weeks. I need to install my IPass transducer on the inside of my windshield but the ... My dad has one of those iPass things. He always holds right up to the top of the windshield to give it the best opportunity to work properly. The Illinois iPass transponder will not work with a Tesla S windshield. The external transponder attached to the front license plate is ugly and obtrusive. It's just like the east coast's EZ-Pass, I have it top of the windshield on the right side of the mirror bracket, don't worry about the dots ... The sticker in Florida only works on a glass windshield. At least that was what I read the last time I purchased one for my car. I had to ... 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. SO many posts here about this. The Eyesight manual shows where NOT to mount stuff. Far left or far right of the windshield is best. Or does it only work if it's velcroed to your windshield? I've always kept my transponder out of sight and hold it to the windshield as I pass ... How do I install I-Pass ... Place your I-Pass adjacent to your windshield's rear-view mirror, about one to one-and-a-half inches from the top of the windshield, ... Call the Illinois Tollway Customer Service number at 800-824-7277, and ask if they still offer free, additional "mounting strips" at certain ...