When attaching a trailer to their vehicle, what must a driver check?
- That the trailer springs are well greased.
- That the load is positioned to the front of the trailer.
- Correct answerThat the trailer coupling is attached securely.
- That the trailer has a spare wheel.
Explanation
Before towing a trailer or a caravan, check that the tow bar is securely attached to the towing vehicle, that the trailer coupling is properly attached to the tow bar and locked in place, and that the breakaway cable is properly connected.
Read in Chinese
在将拖车连接到车辆时，驾驶员必须检查什么？
- 确保拖车弹簧润滑良好。
- 货物被放置在拖车的前部。
- 确保挂车联结器已牢固连接。
- 拖车有一个备用轮胎。
在拖挂拖车或大篷车之前，检查拖车杆是否牢固连接到牵引车辆，拖车联接装置是否正确连接到拖车杆并锁定，以及断裂保险绳是否正确连接。