The early cars , DE and REV UP had the Sat Nav under the flip up cover.
The late cars HR had the Sat Nav on view all the time.
this is from the registration number;
By abbeymotorsport at 2012-08-14
Mine doesn't have a flap?
If the car has a flap = no sat nav to cover the gap
If there's no flap = sat nav installed (as above)
I wouldn't worry about concentrating on sat navs Mark, probably the least of your worries.