May 07, 2020· It will say: "You fill me up and FUEL my fire. Check your gas tank to see what's going to transpire.". Fifth, tape Clue #5 to the lid of the gas tank. This is the last clue and will lead your sweetie to the big reward! It says: "I'll never tire of looking at you, hunk! Now zoom on over & look in the TRUNK.".