Auris Problem-weird Noise

[strawbs]

Do you have any problems with gear selection? I have a 3 month old 1.4 D4D (3000 miles ish)and on holiday recently, found that after about an hour on the motorway/autobahn, I could not change down from 5th to 4th. Only excessive force eventually got 4th(5th to 6th and back were no problem), but thereafter, selection was normal until about an hour of motorway later. Needless to say, the local dealership could find nothing amiss (in a 1 hour, 17 mile, no motorway test).