[Sev]

Since the accessory receptacles are powered off when the Prius is turned off, can you connect a small solar power panel to trickle charge the 12V battery during periods of extended non-use through the receptacles? or do you have to connect it to either the battery terminals themselves or the jump start point under the hood?

 

[Fredo]

You will need connect the charger to the battery or the jump posts. At least until Coastal Dave comes out with a kit for the '04 like he has for the classic: http://www.coastaletech.com/powermod.htm

 

[Hoagie]

Important note to that above mod -- it is most likely for the 2003 Prius mod. Coastal Dave is still working on several things with the '04 model. You'll want to be sure and check with him before you purchase the kit.

Also, the '04 model does have various stages on "ON". If you press the ignition button with out your foot on the brake the car will power up certain electronics. Hit it again and more devices will be activated. Not having used the power outlets myself (yet) I can't say at which point they become active, though I'm sure they do become hot at one of these stages.