Double Din Stereo

Jxs

New user
Hi everyone,

I've just purchased a C6 and was looking to upgrade the stock stereo to one with Apple Carplay. I've looked online and it looks like I need the fascia which I've ordered however it mentions a PAC RP5-GM11 which is a harness.

Do I need this?

Looking for some general advice on what I'd need to upgrade, it's the Bose model with Onstar.

Cheers.
 
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