How do I make a move this girl in her car?

How do I make a move on this girl she my friend she's been really flirty with me touching me laying her head on my shoulder touching my legs, she lets me put my arm around her chair while were in class so those are all great signs but i jus dont know how to make a move while were along together in her car we get to be together in her car cuz she leaves for the day but i still got another class so we get in her car and she drives me accross campus to my next class but we do have a little alone tike and thats when i wanna make ny move but i don't wanna jus be getting in the car and lean ovr n kiss her like i think that'd be a little to agressive lol so what do i do wen were alone in car together again
How do I make a move this girl in her car?
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