I just use the aux cable and plug into the headphone jack on my phone into the aux on the head unit. My one car has a built in 20 gb hard drive and I have loaded songs directly into it with a usb thumb drive.
I am not sure if there are any bluetooth head units or not. Try to google it.
I hope the new phone's headphone jack is better then the current one. My 3GS sounds like ass compared to my 2G.
For my 2004 Acura TSX I have a ipod interface from USASPEC that works really well with my iPhone 3GS (and I hope it works with my iPhone 4 as well when I get it). It connects into the radio unit and you plug in your iPhone/iPod with the 30 pin ipod cable and I can control it with my steering wheel controls. I think it basically makes the car stereo think it is controlling a CD changer. The important thing is that it is a direct connection to the stereo so it sounds really good and you can control it from your steering wheel.
http://www.usaspec.com/
If you could use an Aux cord, that would be easiest. Unfortunately my 2005 Acura TL came out before those were standard. I tried several poor adapters before I tried the iSimple iPod adapter.
They hardwired it behind my radio, then left a small cord that comes out from an empty tray under the radio. It can either run from my steering wheel controls in one mode where it will display all the album/track info on my display. Or I can use another mode where I can control it directly from the iPhone which don't have the display, but makes it much faster to select music.
Since it's hardwired instead of being an FM adapter, the sound is good. Somewhere between FM and CD quality.
Same here. I have a 2007 Corolla, and I connected the USA Spec adapter to the back of my OEM stereo. It works perfectly, charges, controls the iPod app via stereo buttons or iPhone itself. Stereo headunit displays information like normal. It's plugged into the CD2 AUX-in in the back of the stereo, so I can still play CDs (if I actually played CDs).For my 2004 Acura TSX I have a ipod interface from USASPEC that works really well with my iPhone 3GS (and I hope it works with my iPhone 4 as well when I get it). It connects into the radio unit and you plug in your iPhone/iPod with the 30 pin ipod cable and I can control it with my steering wheel controls. I think it basically makes the car stereo think it is controlling a CD changer. The important thing is that it is a direct connection to the stereo so it sounds really good and you can control it from your steering wheel.
http://www.usaspec.com/
Same here. I have a 2007 Corolla, and I connected the USA Spec adapter to the back of my OEM stereo. It works perfectly, charges, controls the iPod app via stereo buttons or iPhone itself. Stereo headunit displays information like normal. It's plugged into the CD2 AUX-in in the back of the stereo, so I can still play CDs (if I actually played CDs).
I always get the stupid "this device is not compatible" popup, but I dismiss it, and it works as advertised.
As for quality, it's CD quality, but of course it depends on how you compress your music.
Nice mount!When I got my iPhone 3GS last year I had to get the firmware updated on my USASPEC (PA15-HON2) to fix an issue that was cause by either the 3GS or the new (at the time iPhone 3.0 software).
They updated the firmware for free and sent it back and besides that "this device is not compatable" message it works great. Charges my iPhone, I can control it with my steering wheel controls, it is directly connected to the radio and so it sounds great. To make it even better, on my 2004 Acura TSX it was a completely tool-less install as well. I just had to remove the center bin from the console to get to the radio. I also added a custom mount.
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(I added some cable management clips to that install after the picture was taken, so the final product looks a bit cleaner.)
The only thing that kinda sucks is that my 2004 didn't come with XM radio (they did the year after), otherwise I my NAV display could have shown the text (song name, album etc...) from the iPod/iPhone on my NAV display.
Speaking of that "this device is not compatible" message, did you notice they changed it in iOS4? Here is what it looks like now...
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