Some head units are touchier than others, and some recognize a limited set of file types.
CD-Rs are usually the better choice for finicky head units.
Certain CD-R music discs include special disc app flags that allow you to use them in standalone CD recorders.
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They aren’t necessary when burning music with a computer.
Burn as an Audio CD
This method involves converting the audio files into the CDA format.
Burn as a Data CD
This method transfers the files to a CD untouched.
The resulting CD containsMP3s,WMAs,AACs, or whatever other formats your songs were in.
An old CD player might play only audio CDs.
If it can play digital music files, these might be limited to MP3s.
Check your car stereo’s literature before you burn data CDs.
Try the CDs that you burned in a couple of head units.
