- Time to climb upwards to reach the third valve in the rooftop of the garage.
- Go out onto the pipes nearby and turn to the right to reach the ladder above you with a jump.
- Climb onto the balcony outside.
- Go over to the left and then turn left and head back into the garage.
- Now, carefully, head forward along the beam in front of you and then follow the next beam over to the left.
- Approach the wheel valve in front of you and hit it with a melee attack.
- Stay balanced on this beam to avoid having to climb back up.