Thats a sign that the brush's are wearing down. You can put the panal back on, just give the underside of the dash a swift tap and it will start. They can be nursed along a few months like this, but your going to be replacing it soon.

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2006 CL500
1969 280SE
2023 Ram 1500
2026 Genesis GV70
2007 Tiara 3200