I installed a Pioneer AVIC-D3 HU/Nav system yesterday with Sirius and iPod cord 
After owning a few German cars, this install was cake - didn't have to open any manuals. Procedure for installing this kind of system:
The whole project took me about 3.5 hours. A half hour of it was due to the shop who sold me the radio telling me I had bypass the factory amp. I pulled the amp out and ran all my wires before discovering the harnesses didn't work on the amp plugs....helping me to realize I didn't have to bypass the amp
Another 30 minutes was wasted trying to find spots to stash the Sirius module.
I couldn't come up with a better spot for the Sirius module other than the glove box because I didn't want to run wires all over the place. I can fit the iPod, Sirius box, some registration/insurance stuff, and my owners manual -that's about it now.
The Sirius and Nav antennas were ran around the glove box, around the factory amp, down past the front dash speaker and up the side of the dash to come out at the base carpeting of the A pillar - signals are awesome! The AVIC-D3 does not require splicing in the VSS wire, so no worries there - it is mostly plug and play.
I had to put two small slits in the top corners of the trim around the head unit to help it flex for fitment.
iPod controls on the D3 are the best yet!
After owning a few German cars, this install was cake - didn't have to open any manuals. Procedure for installing this kind of system:
- 1. Remove Ash Tray
2. Unscrew two bolts behind ash tray
3. Work fingers behind black trim piece to get to the two clips above the "business card holder"
4. Remove trim and unplug necessary plugs for full removal (you can leave a few in and fight with your shifter - I did...it sucked)
5. Remove radio (2-4 screws depending on what you have) - if double din, be sure to remove the two side holders from the radio itself (4 screws)....don't be upset if only 3 or two of those screw spots actually fit up to your new radio (only 3 on each side fit on mine)
6. Run all your wires and do all needed splices (easier said than done) - this includes installing any extra modules (sat radio, iPod, etc.)
7. Plug wires into new radio and loosely screw back into dash
8. Test fit dash trim piece
9. Test connections (turn radio on)
10. Finalize everything and put the car back together
The whole project took me about 3.5 hours. A half hour of it was due to the shop who sold me the radio telling me I had bypass the factory amp. I pulled the amp out and ran all my wires before discovering the harnesses didn't work on the amp plugs....helping me to realize I didn't have to bypass the amp
Another 30 minutes was wasted trying to find spots to stash the Sirius module.I couldn't come up with a better spot for the Sirius module other than the glove box because I didn't want to run wires all over the place. I can fit the iPod, Sirius box, some registration/insurance stuff, and my owners manual -that's about it now.
The Sirius and Nav antennas were ran around the glove box, around the factory amp, down past the front dash speaker and up the side of the dash to come out at the base carpeting of the A pillar - signals are awesome! The AVIC-D3 does not require splicing in the VSS wire, so no worries there - it is mostly plug and play.
I had to put two small slits in the top corners of the trim around the head unit to help it flex for fitment.
iPod controls on the D3 are the best yet!
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