twig

both are scion tC's. i have a full audio system, components all around with 4 channel amp & 2 12" subs with 1000W amp

thats what I thought as well. but, i've tried everything and it hasn't worked (for problem #2) Is there a way to reset the navigation or does anyone have any other suggestions? Could it be the headunit?

Problem 1: (Yaqub's tC) So I finally got my D2 installed but its been picking up interference. They thought it was the ground but when regrounded, it still pick up a lot of interference. Whenever I'm driving, the speakers produce a "fuzz" like sound that goes along with the engine sound, possibly alternator sounds (which is what I've been told). Three people have told me that it may be the wiring or the amp to power the components. Two other people have said that it s the headunit. Has this happened to anyone? Any suggesstion on what to do? Problem 2: (Yusuf's tC) I was driving