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.
Every book is not a novel however every novel is a book. A novel is a long narrative, normally in prose, which describes fictional characters and events, usually in the form of a sequential story. A novel itself is a book, which is a general term.
Talking about the difference between a paragraph and a passage is the same. The key difference between passage and paragraph is that a paragraph is a cluster of sentences grouped under one topic whereas a passage is an extract from a text, novel, story or even a paragraph. Both these words are abstracts of a long process which in literature is called as a writing.