Stop Light Staying On In Cold Weather?

[moggy74]

Hi,

Got A W reg HDI,the last couple of mornings the stop light has failed to go out first thing and I have had no brakes,but when trying later in the day when slightly warmer the light goes out as normal and all is well,could there be moisture in the LHM?........does the system need bleeding/new fluid

Thanks

Colin Mogford

Hinckley

Leicester