sirtrojan wrote:
If you have 2006 that means there is a colour screen. therefore I would go with external navibox that can be connected to oem screen. There is a slot for SD card and you can have any map you want.
Like the GARMIN GVN-53... but you will also need a NAV-TV module and someone capable enough to install it... do a search for "GARMIN" and try to find the ones talking about he GVN-53... you should be able to find enough info in those threads to decide if that's something you want to consider...