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Discussion Starter · #1 ·
My brand new 2022 Ridgeline, just got in April of this year keeps getting an oily film on the inside of the windshield. The only other time I have seen this is when I had a problem with my 2001 Dodge Ram and it turned out to be the Heater Core was bad. Once replaced, no more film. I can't believe my brand new Honda has a heater core problem. I just took it into the dealer for first oil change and told them, and showed them pictures of the film on the windshield, they just gave me recommendations - like use a sun shield, park in the shade, etc. which I already do! Anyone else have this problem? Also, notice the really weird design on the glass. What is that???


Cloud Wood Water Automotive tire Sky
Azure Wood Road surface Rectangle Grey
Road surface Grey Water Wood Asphalt



So, while at the dealer's, after I told them about the windshield, they completely cleaned it. (Although I had tried that before with windshield cleaner, vinegar, alcohol, you name it) and the film still comes back.

So, they cleaned it on Monday and I took the following pictures on Wednesday! The film is building up again!

Plant Sky Vehicle Cloud Automotive side-view mirror
Sky Cloud Hood Plant Branch
Automotive side-view mirror Plant Window Mirror Automotive lighting


I ran my finger over it and it is definitely oily!

What can I do about this?

PS

Don't smoke, always run air on recycle, don't drive with windows down.
 

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Discussion Starter · #2 ·
My brand new 2022 Ridgeline, just got in April of this year keeps getting an oily film on the inside of the windshield. The only other time I have seen this is when I had a problem with my 2001 Dodge Ram and it turned out to be the Heater Core was bad. Once replaced, no more film. I can't believe my brand new Honda has a heater core problem. I just took it into the dealer for first oil change and told them, and showed them pictures of the film on the windshield, they just gave me recommendations - like use a sun shield, park in the shade, etc. which I already do! Anyone else have this problem?
View attachment 432256 View attachment 432258 View attachment 432257


So, while at the dealer's, after I told them about the windshield, they completely cleaned it. (Although I had tried that before with windshield cleaner, vinegar, alcohol, you name it) and the film still comes back.

So, they cleaned it on Monday and I took the following pictures on Wednesday! The film is building up again!

View attachment 432259 View attachment 432260 View attachment 432261

I ran my finger over it and it is definitely oily!

What can I do about this?

PS
Non-smoker, so not from that.
 

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2021 RTL-E
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410 Posts
Google “windshield off-gassing”

Off-gassing is the main culprit in dirtying up the inside of your windshield. This occurs when that "new car smell" on your interior plastic and vinyl components eventually breaks down and evaporates, leaving an oily residue on the windshield.
 

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2022 Black Edition [Nov 24, 2021] - Traded 2017 B.E. [Sept 23, 2016]
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Yeah, I've had to really keep up on window cleaning. Funny the crop circle marks I think are from the factory glass handling. Whenever I do a nice cleaning on my vehicle always see these. 4 in the front, 2 in the rear, 1 on the center rear.
Wood Electric blue Rectangle Font Road surface
 

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If it’s your heater core you’ll be slowly loosing coolant. Watch the tank level... also in my experience w cracked heater cores I could smell it for real. It was obvious. I’m in the off gassing camp on this one 😀
 

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If it’s your heater core you’ll be slowly loosing coolant. Watch the tank level... also in my experience w cracked heater cores I could smell it for real. It was obvious. I’m in the off gassing camp on this one 😀
I had a mid/late 90's Ford Escort that had a cracked heater core. It spewed green fumes into the cabin. I had the heater core bypassed and drove that car (dangeriously) without heat for a couple winters. I could only drive it during the day time when the windsheild wasn't fogged up, lol. The only good thing about that car was it was a hatchback and I fell in love with open back, the car was shit though. Weakest thing I've ever driven.
 

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2022 Black Edition [Nov 24, 2021] - Traded 2017 B.E. [Sept 23, 2016]
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Try Chris Fixx You Tube video. Seems to be effective!
I've actually tried alcohol and a few cleaners (degreasers and dawn)... never tried a Mr. Clean pad, though. Those marks are stubborn. It's a common thing for all vehicles if you Google. Some people say to use toothpaste, (shrug)
 

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I had those same circles on my gen 1 ridgeline, they were from the suction cups used by Honda or glass manufacturer. I cleaned them many times and they always came back although more slowly. Still had them 6 years later when I sold it. Also get the same thing on my ford, only solution I have found is to keep cleaning the windshield.
 

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My 2022 has this "feature" including the suction marks as well. I have to clean it often or it makes it difficult to see driving at night. Hoping eventually it lessens after the interior off gasses a bit more. Now that it's winter in MN I'll be curious if it slows it down with lower temps.
 

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Seems like off gassing from the plastics. Make sure you are not using anything like armor all or any other protectant on the interior.
This^ Every vehicle I have ever owned in my 64 years of life has had an oily residue on the interior glass. That residue is much more pronounced when I use a protectant, most notably ArmorAll, on the interior plastic.
 

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My brand new 2022 Ridgeline, just got in April of this year keeps getting an oily film on the inside of the windshield. The only other time I have seen this is when I had a problem with my 2001 Dodge Ram and it turned out to be the Heater Core was bad. Once replaced, no more film. I can't believe my brand new Honda has a heater core problem. I just took it into the dealer for first oil change and told them, and showed them pictures of the film on the windshield, they just gave me recommendations - like use a sun shield, park in the shade, etc. which I already do! Anyone else have this problem? Also, notice the really weird design on the glass. What is that???


View attachment 432256 View attachment 432258 View attachment 432257


So, while at the dealer's, after I told them about the windshield, they completely cleaned it. (Although I had tried that before with windshield cleaner, vinegar, alcohol, you name it) and the film still comes back.

So, they cleaned it on Monday and I took the following pictures on Wednesday! The film is building up again!

View attachment 432259 View attachment 432260 View attachment 432261

I ran my finger over it and it is definitely oily!

What can I do about this?

PS

Don't smoke, always run air on recycle, don't drive with windows down.
Could it be AC freeon fluid from an internal leak?
 

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My brand new 2022 Ridgeline, just got in April of this year keeps getting an oily film on the inside of the windshield. The only other time I have seen this is when I had a problem with my 2001 Dodge Ram and it turned out to be the Heater Core was bad. Once replaced, no more film. I can't believe my brand new Honda has a heater core problem. I just took it into the dealer for first oil change and told them, and showed them pictures of the film on the windshield, they just gave me recommendations - like use a sun shield, park in the shade, etc. which I already do! Anyone else have this problem? Also, notice the really weird design on the glass. What is that???


View attachment 432256 View attachment 432258 View attachment 432257


So, while at the dealer's, after I told them about the windshield, they completely cleaned it. (Although I had tried that before with windshield cleaner, vinegar, alcohol, you name it) and the film still comes back.

So, they cleaned it on Monday and I took the following pictures on Wednesday! The film is building up again!

View attachment 432259 View attachment 432260 View attachment 432261

I ran my finger over it and it is definitely oily!

What can I do about this?

PS

Don't smoke, always run air on recycle, don't drive with windows down.
Try running your Heater/A/C on regular - not recycle air.
I don't ever use the recycle air side of the heater or on A/C. I've never had a problem with window film like that on my 2014 RTS or my current 2019 RTS which is now at just under 40,000 miles.

Yes, you should be smelling anti-freeze and you should see it going down if it was leaking.
 

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Try this. Do a thorough cleaning with Dawn dish soap, rinse with a damp cloth, and dry. Then use M-Ron Glass Wax. It's a thick liquid that dries to a powder. Once dry, buff off with a microfiber towel. The powder can come off like dust so cover the dash with a large towel. The waxy coat resists dust, dirt, and it makes it easier to remove the oily residue with normal cleaning. It costs about 20 for a 12 oz bottle (on AMZ or eBay).
 
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