There has been some discussion on the board about this topic and some of you just won't read your owners manual.
Emergency closing / emergency opening
In the event of failure of electrical and/or hydraulic functions, the top can be opened and closed using emergency unlocking/locking systems.
1.In the luggage compartment on the left-hand side below the convertible top compartment floor, pull out the plastic ring attached to a Bowden cable as far as it will go.
2.With a 90-degree turn, lock the plastic handle in this position.
In the hydraulic unit, a short circuit is enabled, making it possible to open and close the folding top by hand.
3.Pull the handle of the Bowden cable in the rear panel of the luggage compartment.
The interlock in the convertible top compartment is released.
4.Move the top forwards by hand until it reaches the cowl panel.
5.Take the Allen key from the on-board toolkit.
6.Remove the plastic panel from the front roof brace.
7.Insert the Allen key in the uncovered internal hexagon.
8.Lock and unlock the cowl panel lock by turning the Allen key.
9.Take out and replace the Allen key.
1.Perform steps 1 and 2 as well as 5 to 7 from 'Emergency closing'.
2.Unlock and open the cowl panel lock by turning the Allen key.
3.Take out and replace the Allen key.
4.Move the top backwards until it reaches the convertible top compartment