Hi, I need the advice of a proper mechanic -not the type who can't go to work because his wife hasn't ironed his his white diagnostics coat! M.O.T. time for my TD5 Auto Disco, -just after Christmas,-great! everything seems to be O.K. Tyres, exhaust, breaks etc...... but! I seem to have...

Just bought 2001 DiscoTD5, - TAKEN ME YEARS TO GET! -20 miles from garage sitting stationery at traffic lights, transmission oil temperature light came on, pulled off road to look at handbook to see what it said, switched on again and all was fine -I thought I may have left handbrake slightly...