Turn the light off as you go out.; Please switch off the lights when you leave.

出门时请随手关灯。

《新英汉大辞典》

But if you do take the plunge, please remember to turn out the lights.

但如果你真的冒险一试，请记得关灯。

youdao

But if you do take the plunge, please remember to turn out the lights.

但如果你真的冒险一试，请记得关灯。

youdao