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Discussion Starter · #1 ·
I'm trying to figure out the best place to mount my I-PASS transponder on the windshield. My salesperson said that it must be mounted all the way at the very bottom right so that it doesn't interfere with the camera/radar sensor. I'd prefer to place it at the top right, as I find this less distracting for the driver. The manual seems to indicate that any place is fine as long as it isn't in the area indicated by the red circle. Does anyone have any personal experience with this?

 

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I'm trying to figure out the best place to mount my I-PASS transponder on the windshield. My salesperson said that it must be mounted all the way at the very bottom right so that it doesn't interfere with the camera/radar sensor. I'd prefer to place it at the top right, as I find this less distracting for the driver. The manual seems to indicate that any place is fine as long as it isn't in the area indicated by the red circle. Does anyone have any personal experience with this?
Sorry for the poor photo, but I have my EZPass transponder just to the right of the camera/radar sensor. I've not seen a warning or an impact to the lane keeping assist, adaptive cruise control, etc.




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I have mine in aprox. the same spot as above, as high as it can go touching the lip of the headliner and directly to the right of the unit mounted behind the rear view mirror basically bumping up against it. I also went into EZ Pass and got the newer ez pass unit last year some time. It's about half the height of the old one, so while it still shows a bit, it doesn't show as much when mounted.
 

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Most of the people around here I know who decide to mount, do it in the upper left corner of the windshield (if looking from the inside out). But even more, including myself, don't bother mounting it at all.
 

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I put a lawn chair on my roof and strap my kid into the chair. He holds onto the box, and raises his hand when we pass under a sensor. It works pretty well, but it does increase my fuel consumption by about 12-14%.
 

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Most of the people around here I know who decide to mount, do it in the upper left corner of the windshield (if looking from the inside out). But even more, including myself, don't bother mounting it at all.
Correct. I usually mount on the lower left corner but I have also mounted it on the upper left corner and it works just fine.
 

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Discussion Starter · #7 ·
The reason I mount mine on the upper right corner is because it is furthest away from the driver. Isn't it kind of annoying when it is mounted on the left? It seems like it would always be there in your peripheral vision.
 

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The reason I mount mine on the upper right corner is because it is furthest away from the driver. Isn't it kind of annoying when it is mounted on the left? It seems like it would always be there in your peripheral vision.
Well, it is all subjective. Part of the reason why I have mine on the lower left corner.
 

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Discussion Starter · #10 ·
Is there any way that mounting the transponder near the edge of the windshield can affect the airbag deployment?
 

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Why are you mounting it, at all?

It's completely unnecessary in the SF Bay Area, as they simply read your license plate.

Maybe it's needed for toll lanes that you use?

Or maybe your bridges/toll booths are all using the old technology (not the license plate reader), so you are required to use the transmitter?

I don't even carry my transmitter, any more. I should probably remember to keep it in the car for trips we take outside of the Bay Area.

(I know that we've covered this, already, but I am not recalling what our conclusion was. Obviously, each state can be different from the next, and each COUNTY can be even be different within a state, so.....I seem to recall that some folks needed to carry the transponder if they use toll lanes that permit high-occupancy travel, but I don't recall if that is a California thing or an issue for folks in other states.)
 

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Discussion Starter · #12 ·
Why are you mounting it, at all?

It's completely unnecessary in the SF Bay Area, as they simply read your license plate.
There are some toll booths around here with arms.
 

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There are some toll booths around here with arms.
and the law may be different in Illinois, as well

I don't think we have any toll booths with arms left

Hell, on the Golden Gate Bridge, they don't even want you to slow down when passing through the toll area!!
 

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Discussion Starter · #14 ·
I ended up mounting it in the upper right corner. The car isn't yelling at me, so I assume it's not blocking any of the sensors ... :)

 

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my GOD, that is ugly!!

[just kidding]

I hope you are enjoying your new 90! I should look for your posts to see if you have offered an opinion comparing the XC90 to the Jeep.
 

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Discussion Starter · #16 ·
I should look for your posts to see if you have offered an opinion comparing the XC90 to the Jeep.
The Jeep is much faster and has superior handling, but the Volvo is better in almost every other way. :)
 

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Mine can be seen (somewhat lol) circled in red, never had any problems in this or any vehicle mounting in the same location. As has been mentioned, location for mounting (if one even wants to mount it) is such a personal preference though...

 

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I have mine in aprox. the same spot as above, as high as it can go touching the lip of the headliner and directly to the right of the unit mounted behind the rear view mirror basically bumping up against it. I also went into EZ Pass and got the newer ez pass unit last year some time. It's about half the height of the old one, so while it still shows a bit, it doesn't show as much when mounted.
Same here. I put it in that location on both of my V60s simply to have it out of my field of vision as much as possible. I have not found it to cause any functionality issues, nor has it ever been missed by any of the ancient EZ Pass receptors on toll booths in this area. The new smaller EZ Pass transponder is a vast esthetic improvement over the clunky older model, but they are still a wart on the face of that gorgeous Volvo interior.
 

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Discussion Starter · #19 ·
The new smaller EZ Pass transponder is a vast aesthetic improvement over the clunky older model, but they are still a wart on the face of that gorgeous Volvo interior.
Agreed. They are definitely a necessary evil. I hate having to mount those ugly things to my windshield. I'm surprised that none of the car manufacturers have worked out deals with the tolling agencies to design transponders that can be installed unobtrusively into their vehicles. Heck, it could even be a way of generating some extra revenue. I would have easily paid Volvo $100 for an I-PASS module that was completely invisible.
 

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and the law may be different in Illinois, as well

I don't think we have any toll booths with arms left

Hell, on the Golden Gate Bridge, they don't even want you to slow down when passing through the toll area!!
Same here...everything is "pass through" accompanied with signs that indicate (in big letters) "DO NOT SLOW DOWN"!
 
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