well cheers lads. u gna fukin laugh. cant believe no-one thought of it.
it was like the coldest night of the year last nite and i didnt put my car cover on AND I OVIOUSLY AINT GOT ENOUGH ANTI-FREEZE IN THE COOLENT. coz when i finished work and started it the heater worked and blew out hot air agen loll.
so looks like i need to top up with anti-freeze