this.api().columns([3, 4, 5]).every( function() {
            var select;
            var column = this;
            var columnId = this[0][0];
            if (columnId == 3) {
                select = $('<select class="filter-select" data-placeholder="Modèle"><option value=""></option></select>')
            } else if (columnId == 4) {
              select = $('<select class="filter-select" data-placeholder="Service"><option value=""></option></select>')
            } else {
              select = $('<select class="filter-select" data-placeholder="Carburant"><option value=""></option></select>')
            }
                select.appendTo($(column.footer()).not(':last-child').empty())
                .on('change', function() {
                    var val = $.fn.dataTable.util.escapeRegex(
                        $(this).val()
                    );
                    column
                        .search( val ? '^'+val+'$' : '', true, false )
                        .draw();
                });
                column.data().unique().sort().each( function ( d, j ) {
                    select.append( '<option value="'+d+'">'+d+'</option>' )
                } );
        });