Asked by Jul 01, 2008 at 08:40 PM about the 2001 Pontiac Grand Am GT

Question type: General

Has anyone realized on the pontiac 2001 gt under the radio in the little storage area there is a little knob in the back what is that knob for?

4 Answers


probably to open a compartment for the dianostics port


its for the diagnostic port atleast i think


No idea what it is for... but the OBD2 port is under the steering wheel


That knob is not stock. It could be a hidden switch of some sort. I have 7 rocker switches under there for my lighting mods.

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