Costway SP37501 Manuel De L'utilisateur page 4

Use the tools in the accessory bag to remove
(12).
(1).
(13).
Open the rapid tightening lever(11), then push the locking
lever(5) forward to unlock the folding mechanism(10). Then lift
up the steering column(9) until it reaches the vertical locking
position (you should hear a "click" of engagement), then firmly
tighten the rapid tightening lever(11).
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