Noise on highway speed

jay42

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I got car 1 day back and cabin sound goes very high after 60 .
 
I have given car to service center to check .
 
Dealer technician said that he couldn’t find any additional sound . He compared with other similar hummer EV and sound is same.

I am going to try to talk to hummer concierge .
 
dam mine sounds like its coming from that marker light in the front center but i cant pinpoint it
 
Dealer technician said that he couldn’t find any additional sound . He compared with other similar hummer EV and sound is same.

I am going to try to talk to hummer concierge .
What's the current status?
 
dealer recognized the sound but says it’s by design of vehicle as others have it too .
Only GMC can help further .
 
We need more people to reach out to GMC .
I think they can’t improve the same without aerodynamics change in front .
 
Is it a tire noise ? My noise is manageable until you get above 60 . Pretty sure it’s coming from the tread design on the tires. Thinking about going to a more street designed tire .
 
When you buy a basically convertible with sky panels, wind noise is "assumed risk". That said it's like living next to a rail road - you stop hearing it after a couple of weeks.
 

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