Maserati GRANCABRIO Owner's Manual page 144

7) take the pins M and N out and
align them on their seats on the
rear left-hand panel;
8) let the pins go;
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9) raise the upper section P until it is
in a vertical position.
WARNING: Do not fasten any object
to the windstop.
WARNING: When the windstop is
fi tted, if you tilt the backrest or move
the seat backward you must take the
greatest care to avoid that the two
parts touch each other and so cause
damages.
WARNING: Never place pointed or
sharp objects on the rear seats, under
the windstop when fi tted.
WARNING: Never place any object on
the windstop.
M N
Windstop removal:
Perform the operations opposite to
those outlined above and in reverse
order.
WARNING: Before folding the upper
part E, unlock the pin D by pushing
the small lever Q.
P
Q