iFahrer - Führerschein Vorbereitung APP
Interactive preparation for the driving license test
Technical aspects / 2.7.07-319
How do you have to disconnect the air lines when detaching a trailer?
First the emergency line (red hose coupler)
If the hose couplers are combined, both lines at the same time
First the service line (yellow hose coupler)
First the emergency line (red hose coupler)
If the hose couplers are combined, both lines at the same time
First the service line (yellow hose coupler)
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