how do i ignite pilot light on my sime super 90 plus combi boiler?

was working this morning gone to put heating on no heat in radiators no hot water checked themostst on wall ok, went in loft to check pilot light no sign, turned hot tap on in bathroom making all the right noises but no pilot light visible through the little window. I have no instructions and cant see ignition switch to reliight pilot light can you help?