Since my family is coming to Japan, I will show them around Tokyo
My older sister sometimes lends me her car.
Its meaning is correct, but actually
My friend treated me to a dinner
Nowadays you can use あげる when you give something to your family too, but some people (like me) consider it inappropriate. あげる comes from 上げる. It means you present something to a higher person, or you tell someone else that you "give" something to your family member.