| Apply the spring brakes gradually | |
| Apply the spring and air brakes together | |
| Apply the air brakes gradually | |
| Switch between spring and air brakes |
| Service, parking and emergency brakes | |
| Duty, parking and emergency brakes | |
| Parking and emergency brakes | |
| Standard, parking and emergency brakes |
| Is recommended to keep air brakes functional | |
| Can reduce air brake functionality | |
| Ha no impact on air brake functionality | |
| Is necessary to keep air brakes functional |