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Discussion Starter · #1 ·
I need some help with getting a USB stick to work in the 2021 Trailblazer.

I have an old USB stick of 4GB that works fine and is formatted as FAT32. I bought three new ones -- 2 Sans Disk 16GB sticks and one monster 1TB stick. I can format the 16GB as FAT 32, the 1TB is limited to NTFS or exFAT. I can copy files on the new 16GB sticks and see and play them from my PC. I can see and play them on my home entertainment center but none of them show up on the car (no device found).

What's the magic handshake?
 

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2021 TB Zues Bronze Activ
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Eeeks got me on this one.
 

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Discussion Starter · #4 ·
All three are formatted to one of these systems (FAT 32). I think there is a device size limitation somewhere.
 

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The only other specification that I found was page 130:

USB MP3 Player and USB Devices
The USB MP3 players and USB devices
connected must comply with the USB Mass Storage Class specification (USB MSC).
I doubt you've run afoul of this specification, though. When I get a chance I'll try some of my USB sticks to see if I can replicate your trouble.
 

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2021 Chevy Trailblazer RS AWD
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Intrigued by your dilemma, I tried this connection too, without success. 1GB Stick, FAT32, *.mp3. Confirmed that stick play worked on PC. Went to audio>more and no USB selection button was available, as per owner's manual. LED on stick lit up upon insertion, but nothing.
 

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Discussion Starter · #8 ·
I finally gave up, downloaded rocket player from the android store, and put everything on my phone. It works great through Android Auto.

I really wanted to avoid that as my phone is not part of existance like so many people. Until someone finds the solution, I have no choice though.
 

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Even if you format the drive to one of those that Chevy says works, it still doesn’t mean your music will play. Apparently, Chevy has excluded some downloaded music types. AAC WORKS but not sure about the others. My apple iTunes has some of my music which says AAC and others have different formats. Some of those others, which I can’t remember right now, don’t show up on the drive when it’s plugged into the car but shows up in any other device. So, I just selected albums that showed AAC.
 

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The only other specification that I found was page 130:



I doubt you've run afoul of this specification, though. When I get a chance I'll try some of my USB sticks to see if I can replicate your trouble.
That means you have to format your thumb drive as NTFS or FAT32 before it will show you the music in your vehicle.
 
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