His car runs on gas - and we need gas. Time to, uh, "borrow" some keys.
This is the low-spoiler guide for "Getting Troy's keys" puzzle in Dexter Stardust: Adventures in Outer Space. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.