Can anybody help,my heater on my 52 plate civic type r has stopped working,when i turn it on nothing happens the fan doesnt turn or anything,i have checked the fuses,the heater relay, checked the fan motor,all working,any ideas anyone,could it be the actual switches on dashboard?If so how do you remove the unit to put a new one in,I tried but to no avail,any help is greatly appreciated,in need of urgent help as i work nights and its bit hard to see on motorway...plus its freezing lol....