I have a 2008 Vibe so I can answer some of your questions. I have a silver box under the driver's seat which is the 120V inverter. I have nothing under the passenger seat so I can't answer to that. The standard factory stereo unit is adequate but is prone to failures as it ages I've read so I replac...

Has anyone ever received a letter like this? Got this in the mail this week. Although this dealer was a Pontiac dealer in 2008, we purchased the Vibe from a dealer in the next county for about $3000 less than this dealer was offering at the time. Although my Vibe is in very good condition (19,700 mi...

If you'd rather try the Toyota parts route, Toyotapartscenter.net has it listed at $43.12 plus $9.95 shipping for a 2003 Matrix.

About this time last year Crutchfield had a sale on Polk db651s so I purchased 2 sets for my 2008 Vibe. Installation was pretty easy. They sounded good with the stock radio headunit; better than the stock speakers. They sounded even better when in the spring I replaced the stock unit with a Kenwood ...

The 03-08 bodies look identical. Go to http://www.car-part.com/index.htm Doing a search for an 06 door gives results from 03 through 08.

Appreciate the responses. Thanks.

What is the GM or (preferably) Toyota part number for the 4 10 mm screws that hold the radio unit in? I've found out the hard way that it isn't Toyota part # 90159-A0010 which are too big. It's for an '08 Vibe.