Hi all,
Have any of you experienced problems with your factory-fitted nav system similar to the following:
1. It will not allow me to input the correct house number for my address; everytime I do so, it immediately changes to number 30, which is 1/2 a mile away. 
2. When getting lost in the lanes approaching Hemel Hempstead, trying to avoid early evening traffic on the M1, I will set the route finder to my home(ish) address with "non-motorway" selected, but the nav chooses a route along the M1. 
I know that problem 1 being resolved is more of a nicety, but problem 2 could be more serious if the driver was an inexperienced learner, or one of those drivers that never ventures onto our motorway network.
For info: I have the latest firmware installed (4.1/60), but the mapping is a 2003-1 CD.
