2007 STS 3.5L non-nav w/XM
New to Cadillac and forums. One week owner and with some research it seems the 3.5L is not very common in the STS. Anything to look out for with engine (50k)? Also, anyone on the forum successfully installed factory nav w/ Bluetooth and voice?
Last edited by rileyj02; Jun 15, 2014 at 08:24 PM. Reason: adding pic
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