Buying the part yourself and installing it can save a lot of money! Search for a great deal online and you're more than likely going to find it. It's always good practice to check out the prices for a spare part for your Scosche GM5200B from several different places. That way you can be sure you're getting the best deal. There are usually more than one company producing the Scosche stereo install kit for select 2005-09 cadillac sts vehicles single or double-din part that you're looking for, especially aftermarket-type spare parts. Find the right part and fix it right!