I bought my 2003 lc the summer of 2017 for 5500. Only 160000 miles. I noticed my passenger side speakers both the tweeter and the door speaker don’t work, any way to diagnose why or what happened? I also noticed when I use my tape aux cord all 4 front speakers don’t work. I have no idea what could be causing this. If anyone has any tips or solution please help me. Thank you.