Step 1: Remove exhaust stacks and fuel tanks from vehicle; set aside.
Step 2: Detach rear wheels from main hitch and rotate up to the back of the cab. Adjust mudflaps to form robot knee pads.
Step 3: Detach two halves of hitch (A). Rotate both halves 180° (B). Fold rear halves of hitches back to form robot feet (C).
Step 4: Rotate back half of truck cab 90° upward (A-B). Rotate entire torso/leg assembly downward 180° (C).
Step 5: Fold legs down (A). Rotate hips/legs around at waist (B).
Step 6: Fold side panels of cabin upwards 180° (A-B). Fold entire top of cab downwards to form backpack (C).
Step 7: Rotate bumper halves downward 90° (A-B). Fold entire bumper assembly flush against truck grill, revealing robot fists (C).
Step 8: Separate front of truck and rotate up and outwards to form robot arms.
Step 9: Fold wheel wells away into upper arms.
Step 10: Fold arms downward (A) and rotate forearms into the correct position (B).
Step 11: Slide vehicle windshield downwards to form robot chest (A). Pull remaining cabin pieces downward to form shoulderpads (B).
Weapons: Combine exhaust stacks and fuel tanks to form ion blaster (top) or energon axes (bottom). Axe blades swing out from inside fuel tanks.