More about GTS game rules you can read in German Truck Simulator Manual.
| Throttle | Up Arrow, W |
| Brake/Reverse | Down Arrow, S |
| Steering Left | Left Arrow, A |
| Steering Right | Right Arrow, D |
| Shift Up (manual) | Left Shift or Right Shift |
| Shift Down (manual) | Left Ctrl or Right Ctrl |
| Start/Stop Engine | E |
| Parking Brake | Space |
| Motor Brake | B |
| Activate | ENTER |
| Trailer Attach/Detach | T |
| Show/Hide Notebook | N |
| Left-Turn Indicator | [ |
| Right-Turn Indicator | ] |
| Hazard Warning | F |
| Headlights | L |
| Horn | H |
| Wipers | P |
| Cruise Control | C |
| Show/Hide Map | M |
| Show/Hide Wing Mirrors | F2 |
| Show Navigation Notebook Page | F5 |
| Show Economy Notebook Page | F6 |
| Show Career Notebook Page | F7 |
| Show Statistics Notebook Page | F7 |
| Radio (patch 1.2) | R |
| Inside Camera | 1 |
| Free Rotate Camera | 2 |
| Top Camera | 3 |
| Cabin Camera | 4 |
| Bumper Camera | 5 |
| On-Wheel Camera | 6 |
| Driving-By Camera | 7 |
| Next Camera | 8 |
| Rotate Camera | Right Shift + Mouse |
| Look Left | Mouse Left or Numpad / |
| Look Right | Mouse Right or NumPad * |
| Screenshots | F10 |
| Look Down | Mouse Down |
| Game Option | ESC |
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