Kia is used when referring to future tense. If the action, as well as the way it should be done, is stated, then it is preceded by te, or a possessive such as tō.
Kia tere te oma! Run quickly!
Kia tūpato te haere! Go carefully!
Kia pai te mahi! (You) work properly!
For further explanations and exercises: Te Kākano p. 58, Te Aka
Whakamāoritia ēnei rerenga kōrero.