bazmez

hi please could somebody help me with my is 200 sport on a 99 plate. i love it but it has just started to play up the clocks keep lighting up like a xmas tree but the car still runs perfect. the mpg clock stops working along with my rev counter. also the oil/ handbrake and rear bulb light warning light comes on. only does it after i have been driving for about 20 mins or so has anybody come across this probblem before please help me out......... any ideas thanks