hi guys
for the price and the labor to install backup sensors i would certainly install a backup camera instead. i dont have my h3 yet so i dont know how onstar is incorporated, but just call your local best buy and talk to the install guys....they have seen it all and know what to do.
im going to go with the eclipse nav/dvd....so a backup cam integrates very easily into that unit and may be a deciding factor if ur sitting on the fence abt a vid screen in your dash.
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