control
"WASD" or arrows = drive
"Spacebar" = handbrake
"C" = change camera view
"R" = repair
"T" = time frame
"L" = unlock mouse while driving tanker
Terraform controls
WASD = move camera
Left mouse button (hold) + mouse axis = camera rotation
Left mouse button (hold) = drag the terraformer shape
Middle mouse button = increase / decrease the height of the deformer
1 to 5 = change terrain