I just received my I-pass transponder. The mounting instructions say to put the transponder 1 inch below the roof line near the mirror. I worry that the cabover will interfere with the signal. Where d...
As others have noted, all good locations. I have found that it also depends upon the respective toll booth readers. I can go through one with no issues and the next trip it goes red and rings the bell. There is never an issue with overhead readers whatsoever.