Japanese phrase
車内で___してもいいですか？ sha nai de ___ shi te mo i i de su ka
Meaning
May I ___ in the vehicle?
When to use it
Requests permission to do something inside a vehicle. It is polite and neutral, and the action is supplied by the surrounding context.
Example dialogue
車内で電話をしてもいいですか？ sha nai de den wa o shi te mo i i de su ka
May I make a call in the vehicle?
すみません、通話はご遠慮ください。 su mi ma se n tsū wa wa go en ryo ku da sa i
Sorry, please refrain from making calls.