new terios side steps


Hi I'm new to the site i have just bought a new model terios sx which is great fun.
but every new car i have bought gets door damage so i want to fit stainless side bars with running lights home made( well work made when there not looking )but no one knows how the normal bars/steps bolt on. phoned daihatsu tek dep and they don't know.any one out there know? there is no
obverse signs of fittings holes etc
thanks Glenn