There are various threads on this subject on the Interior/Audio/electronics section.
What generation is your car? (Series I and Series II cars had different Navs, and use different parts /methods to splice into the video signal for the screen)
Originally Posted by tiggerlee
Life's journey is not to arrive at the grave in a well preserved body,but rather to skid in sideways totally worn out shouting "holy ****...what a ride!"
When the winds of change blow hard enough...
...The most trivial of things can become deadly projectiles.