With ClearScan, you can automatically find the clearest FM station. TuneCast Auto with ClearScan lets you listen, charge and play your iPhone or iPod at the same time in the car. Avoid the frustration of manually finding a clear FM station. ClearScan technology quickly scans and finds the best FM frequency all with one push of a button. Cut through the static with ClearScan for improved FM transmission giving you a crisper, cleaner audio performance. Minimize