Replace classic CD/Radio with Cabasse Tronic GPS navigation system

Hello,

in my Laguna III I have a classic CD/Radio with small display in instrument table:

I would like to replace that system with Cabasse Tronic GPS Navigation system with 6CD changer and big color display in instrument table. Can it be done?

Problem is wiring.. In my Car wires for power, control and speakers come to the middle, to...

Replace classic CD/Radio with Cabasse Tronic GPS navigation system