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Discussion Starter · #1 ·
I've read that other GM vehicles have had issues with no audio (infotainment works but there is no sound from the radio, turn signals, chimes, etc.) and that appears to be linked to the amp. This 2022 is only a few months on the road, but I set off to check fuse F27 before arranging warranty service.

What is the trick to opening the cabin fuse panel cover? The owner's manual suggests pulling at the top, but that does not seem to want to budge (with the limited grip available).

I'd be grateful for any pointers.
 

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Discussion Starter · #2 ·
Well, I forced the panel cover open using a flat blade screwdriver at the top of each side. The 30amp fuse for the amplifier is blown. Now, the crazy news. The fuse is an mcase slotted fuse. Nobody carries it in store. No spares provided inside either. In the engine bay there is a 30 amp spare fuse, but it is not slotted. Why the engineers chose to include multiple types of fuses is beyond me. Dealership here I come.
 

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Discussion Starter · #3 ·
... and the dealership does not carry them either (add that to none at NAPA, O'Reily's, Advance, and Autozone). I ordered some online and will then have to schedule a warranty service to figure out why it blew in the first case (same time they take care of recall for DRLs). It will be interesting to see if the replacement fuse immediately blows upon being inserted. Never had a problem with the 2006 Saab 93 this vehicle replaced, I was sorry to see it go.
 

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Well, I forced the panel cover open using a flat blade screwdriver at the top of each side. The 30amp fuse for the amplifier is blown. Now, the crazy news. The fuse is an mcase slotted fuse. Nobody carries it in store. No spares provided inside either. In the engine bay there is a 30 amp spare fuse, but it is not slotted. Why the engineers chose to include multiple types of fuses is beyond me. Dealership here I come.
I can't say I have ever seen one of those fuses.
 

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Discussion Starter · #5 ·
I received the five fuses for about $10 from Amazon. Popped one in, and audio is back.

Interesting. It was really rainy when the fuse blew ... Will it happen again? Stay tuned.
 
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