This means that when you find a vehicle power up on the map, you must activate it. Once activated, your character will be immediately spawned inside the vehicle. The power ups will not be sticking around forever, though. DICE says that the power ups must be used within a certain time frame, or else you can't use them.
All published novels are books. All books aren't novels. A book is a collection of pages bound together or kept together as an e-copy. The pages can contain non-fiction and fiction. In fiction, they can either have a variety of short stories, or be one story. A novel is a fictional book that has more than 40k words written in it. Usually 60k or more words.
A graphic novel is a book made up of comics content. Although the word novel normally refers to long fictional works, the term graphic novel is applied broadly and includes fiction, non-fiction, and anthologized work. It is distinguished from the term comic book, which is used for comics periodicals.