Go forward from the start of the level and go left at the T.Rex. Take the first
entrance on the right and go through the doors to enter the 1st floor of the
main area. Turn left in the main area and go along to the corner. Follow the
corner around to the right and then go through the first doors on the left.
Follow the tunnel as it curves left and right to enter the warehouse. In the
warehouse, go through the gap in the quarter pipe on the right, and then
quarter turn right to face some crates high above a quarter pipe. Go up the
quarter pipe and air off to the left to land on a higher quarter pipe.
Go toward the side of the quarter pipe nearest the crates and launch left to a
grind on the crates. Quickly transfer left to to a grind on the rail. Near the
end of the rail, transfer left to a grind on a rail leading off to the left. At
the end of this rail, jump right to a grind on the light leading off to the
right. Jump at the end of the first light to a grind on the second light, and
then jump forward to land on a high platform. Turn left on the platform and
skate over to the corner. Follow the corner around to the left to find the key
above the second light. Grind the first light and then jump forward onto the
second light to collect the key.