Space for ramp - D to go forwards - A to go backwards - C for cruise control (keeps truck at the same speed) - B for brakes - S + # for different speedometers (currently only 1 and 2, 1 is default) - H for headlight toggle; off, normal, high If you speed into the ramp, you will get sent flying, and your box will fall off the truck, sadly. Stop box abuse! Remember - your tires aren't meant for smashing into the ground! Keep them square!