On such occasions, it is customary to recite all the introductory prayers reserved for the Shabbat kiddush, such as the Shalom Aleichem and Woman of Valor, in an undertone. Thus we avoid making the holiday "self-conscious" of the fact that these sections are not recited before the standard holiday kiddush...

For the Shabbat/holiday morning kiddush, the standard Shabbat introductory prayers and kiddush are recited in an undertone before reciting the traditional holiday kiddush.