Hello - I'm a newbie here so please bear with me!

I have a May 2009 S-Max Titanium with the DVD Navigation. Compared to other in-car navigation systems I have used (Subaru and Volvo) it seems rather slow to find the position on the map and to find the routes once the destination is selected. I can hear lots of whirring of the DVD somewhere in the car after start up. Is this what most people find?