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Rear windshield gets hazy and grimy

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Old 10-22-18, 01:34 PM
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donkiboy
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Default Rear windshield gets hazy and grimy

Is anyone else getting this streaky, grimy, haze on their rear windshield? I've heard that new cars go through a period when there's off-gassing.
It's when chemicals in dashboard, seats and trim would start to emit fumes giving that 'new car' smell. This has been known to cause hazy, grimy windshield especially since the gas from dashboard would rise upwards. I've tried using window cleaners, but I think I made it worse.

My car isn't exactly new. It's a '15 that I picked up this summer. However, it still has that new car smell.
Old 10-22-18, 01:59 PM
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charley95
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Ammonia glass cleaners can make it worse. Adam's Polishes has some good Youtube vids. on how to properly clean glass.
Old 10-22-18, 01:59 PM
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eddie420
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Originally Posted by donkiboy
Is anyone else getting this streaky, grimy, haze on their rear windshield? I've heard that new cars go through a period when there's off-gassing.
It's when chemicals in dashboard, seats and trim would start to emit fumes giving that 'new car' smell. This has been known to cause hazy, grimy windshield especially since the gas from dashboard would rise upwards. I've tried using window cleaners, but I think I made it worse.

My car isn't exactly new. It's a '15 that I picked up this summer. However, it still has that new car smell.
My front windshield does it. It's annoying because the dash is still giving off some residue but the rear isn't. It'll go away with time... hopefully.
Old 10-22-18, 02:49 PM
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Usual
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I've been using two waffle-weave microfiber towels, one with glass cleaner and a dry one for wiping. Makes short work of that haze.
Old 10-22-18, 06:58 PM
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UDel
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I had it bad on my GS430, leather conditioners do it too, figured out it was the leather conditioners I was putting on the leather in hot temps with the windows rolled up to create a hot box to get them to work(which they didn't really do anything). It was really bad on my rear windshield and behind my brake light, I remember smelling a rag after wiping it down and it kind of smelled like Leatherique and I put two and two together.
Old 10-23-18, 08:04 AM
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jfelbab
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Leather conditioners and vinyl dressings often outgas in high heat. This is mainly visible as a film on the glass, but it also coats everything in the car, steering wheel, gauge clusters, etc.. You just don't see it on most interior parts. I use a water based leather protector instead of a leather conditioner and Meg's QID for the interior vinyl & dash and have no film issues.
Old 10-23-18, 02:17 PM
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donkiboy
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I think there's still some 'new car' outgas happening despite it being a 3 yr old (2015 GS350). It can't be due to leather conditioner, since I don't treat the seats or dash with any solution. I'll try using Isopropyl alcohol for the windshield and see how that goes.
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