I wanted to make a “stealth installation” of my Anytone AT-D578UV radio in my Toyota Prius (2008) so I don’t have to worry so much for burglars when parking the car. Below the FM-radio is a compartment, when removed, leaves a space big enough for the radio.
There is plenty of space behind the compartment. I was a bit worried about that issue becase the radio is longer than the depth of the compartment, but it turned out there is enough empty space behind it.
I installed the radio with the programming cable connected as it will be very hard to connect it after the radio is mounted in the car. The microphone is extended and connected using a flat straight ethernet cable and both cables are dropped downwards and pulled out from behind the panel. That way I can easily hide the microphone when parking the car.
When the compartment under the radio is removed (and saved to be reinstalled when selling the car), the space between the metal plates is to wide, so I took a 5 mm nylon cutting bord that I cut into pieces and glued them together to form a suitable spacer and drilled a hole for the mounting screw. I did not use the mounting screws that came with the radio, instead I used one M4x20 mm and one M4x40 mm. On the right side of the radio I used 2 nylon pieces and on the left side 5 or 6. The screws went into the rear holes on the radio and to get some support for the front I used zip tie straps around the radio through the holes in the metal plates.
The GPS was just tucked up behind the navitor screen, just to the right of the speaker.
For power, I routed two 6 mm2 wires directly from the battery (with a 30A fuse close to the battery) and routed them through the left trunk panel and inside the side panels below the doors to the front. The antenna cable went the same way and I didn’t want to drill a hole in the car so I used a trunk lid mount even though the performance for those are often not as good.
These are some useful tutorial videos as you need to uninstall and reinstall the stereo in order to install the Anytone AT-D578UV below it.