Besides checking that it is safe, for at least how many seconds must you signal before moving out from the kerb into traffic?

Check mirrors, blind spots and the gap, and give way to traffic already in the lane. Other signalling situations have their own requirements.

Vakai e ngaahi sio'ata, feitu'u ʻoku ʻikai hā he sio'ata mo e avanoa, pea tuku ke mu'omu'a e me'alele kuo ʻi he laine. ʻOku ʻi ai e ngaahi fiema'u makehe ki he ngaahi tu'unga faka'ilonga kehe.