recerse is down and next to first on the mk3 aint it?
There are little blue plastic covers that go over the bulbs in the dash remove the clocks and dissasemble, then remove the blue covers and the clear bulbs and replace with nice green 5W side light bulbs (Prism do em as coloured interior bulbs) part number SPW501G
or check see if the dash dimmer is turned down or knackerd