why are satnav screens so expensive?

how do you open up a navman s200?

navman won't power on ?

How to change battery?

Navman s100 frozen at start up screen?

My Navman S30 3D is locked on the first screen with the lady hanging out th?

navman has stopped showing maps ?

Cant charge navman?

The green light on the plug doesnt light up when i plug in my Navman F20?

My navman 250 screen is cracked. Can u repair it?

how can i fix my navman 685?

navman screen?

How to navigate without buying maps?