Hi Guys I was wondering if anyone can shed some light on a problem that I have started having? When I pre-heat the engine prior to starting the Brake warning light comes on in the DIS (sometimes!). Symbol is red, so I am guessing not the bulbs. I have recently changed all the pads (6 months ago), so probably its not pads. As soon as the engine starts, all is well. I have not noticed any problems with the brakes at all. I was wondering whether I have an over sensitive vacuum sensor in the servo line?