| Re: 04 Cts (adding Xm And/or Changer) Just got an 03 DTS w/nav. but w/o XM. I wanted XM, but not an "add on", so the dealer ordered an exchange receiver box from Delphi. The head unit did not have to be replaced. It now displays and plays all XM channels. It works great and Delphi is now considering adding it to the list of dealer installed options. Note that the stock Delphi antenna requires a hole to be drilled in the top and the headliner to be partially removed. I didn't want the hole and complexity so the installer installed a third party magnetic antenna right above the rear window seal (wire hidden in the seal) It looks a lot cleaner than the stock "shark fin". It works great! It's amazing what a good dealer will do for you. |