Hmm, I suspect I've rather over-egged the pudding here. I've just checked & it's not rocket science really - sorry.
Yes, you can add the buttons to the Map screen with the unit off the bike & it's very simple so I'm sure you've seen it, sorry.
In case you haven't:-
1) From the Home screen (Where to, view map etc) press 'Settings'.
2) Click 'Map buttons'.
3) This brings you up a screen showing the map with 'buttons' showing. 1 or 2 of the buttons is a '+' sign in a circle (depending on whether you have any pre-set buttons) click on that.
4) You'll then be presented with a list of 'buttons' you can add to your map/navigation screen.
5) Click on the option you'd like to appear as a button on your map/navigation screen
6) You can have a maximum of 2 buttons (I suspect to stop the screen from getting cluttered).
The list of buttons you can add are:-
Traffic
Mute
Stop
Media Player
Phone
Detour
Weather Radar
Exit Services
Where am I?
Trip Computer
Compass
Fuel settings
Map layers
Brightness
Where to?
Traffic Cameras
&
Tracker.
7) Once you've made your choice click 'Save' and Bob's your uncle.
NB If you already have 2 'Buttons' on your map screen you can't add any more. You 1st have to delete one to add a different one.
To do this follow the process as above but at step 3) you won't have the + sign in a circle, just the 2 buttons you've already chosen, both with a red 'x' in the top r/h corner.
Click on the one you want to replace, you'll get a warning message 'This tool is still available from the map menu'.
Click on 'Okay' & you'll see you now have the + in the circle again.
Repeat the process from step 4.
I hope that helps. It looks complicated (my fault, sorry) but it's pretty self-explanatory as you go through it.
I'm sure most of you have seen it & know how to use it, so apologies again for that.
On a different note I'm very jealous as:
A) I love Boston 'Let's go Murphys, let's go!'

&
B) I love snow.
