I have recently installed a z130BT on my Lexus ES330 (2005 model) and the FM radio has a poor reception. The factory head unit had a great FM reception, even though it didn't support HD, the quality was quite good. I live in greater LA area and there are plenty of HD and regular FM channels that are broadcasted here. Has anyone had a similar issue? The connections seem ok and the antenna hasn't changed since I swapped out the factory HU. I spoke to Pioneer and they asked me to send the unit for examination, if I cannot fix it. I also heard that adding a FM booster will improve the recepti