iFahrer - Führerschein Vorbereitung APP
Interactive preparation for the driving license test
Technical aspects / 2.7.07-323
Which requirements must be fulfilled before coupling a semi-trailer?
The fifth wheel must be unlocked and opened
The fifth wheel and coupling must be at roughly the same height
All tube and cable connections must be established
The fifth wheel must be unlocked and opened
The fifth wheel and coupling must be at roughly the same height
All tube and cable connections must be established
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