Just to thank the group for the suggestion that changing the hand brake
switch may cure the
problem of the 'brake fluid warning message' appearing for no apparent
reason.

Obviously, I first checked the fluid level itself which was fine. I
then presumed a problem with
the fluid level switch, disconnected it/shorted it, which again had no
effect.

Fortunately, I then looked on the forum, which suggested the hand brake
switch change.
Like everyone else, I was skeptical and couldnt see the relationship,
but for the sake of a ten minute job and £2.65 from the local Peugeot
Dealer I gave it a try....Problem Solved!!!

Prior to changing the switch I had wondered whether the computer was
looking at different
resistances in the message circuits and somehow the brake switch had
developed a high resistance which was triggering the faulty message.
On changing the switch, I did indeed measure a high resistance across
the switch while in its 'open' condition which seems to go along with
my presumption of how the computer reads
its message circuits.

By the way, when I went to purchase the switch and explained why I was
replacing it, the dealer went to great lengths to explain I was
changing the 'wrong' switch.Fortunately this advise was
ignored...........THANKS AGAIN TO THE GROUP