bluonyx Posted May 29, 2008 Report Share Posted May 29, 2008 I have a 08' SS HHR and installed the D3 with bypass, a Metra GMOS-LAN-04 harness, & Pioneer 7 Speaker setup. I soldered up everything just fine and when I press the Onstar button, it comes on but the D3 turns off. Once Onstar is finished the D3 powers back up. Is this normal? I thought the radio just mutes and Onstar starts. Quote Link to post Share on other sites
jimmy303 Posted May 31, 2008 Report Share Posted May 31, 2008 That is how that interface works. Yay. Quote Link to post Share on other sites
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