flashing control panel

[seemore]

When i turn the ignition off and leave the car for a few minutes the control panel suddenly starts blinking in time with the clock and all the lcd bits can be seen, soon as i start the car it returns to normal any ideas?

 

[Ibiza Cupra]

dodgy earth????? Sounds like it is getting sum sort of perm live. unfortunately i have no idea how. sorry.

 

[seemore]

Ho hum looks like i,m off to the dealer lets hope it is some thing simple.