hi just wondered if anybody could shed any light on a prob i have with my car at the mo.my engine management light is on, on the dash, and my traction control light is permanentely on the dash too, and i cant switch the traction control back on with the switch on the dash, it still seems to run ok, but im a tad reluctant to use it, in case i damage anything? what do you all think duff tcs switch?