Maserati GRANCABRIO Owner's Manual page 152

In the event of a battery failure, move
the gearshift lever from P to another
position before moving the vehicle.
To do this, follow the emergency
procedure described below:
- remove the covering plate H in
front of the gearshift lever;
- using a small tool, push on the
gearshift lever locking mechanism
through the hole;
- at the same time slightly shift
the gearshift lever towards the N
position, in order to free the lever
locking mechanism;
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- remove the small tool from the
hole, being careful not to move the
gearshift lever;
- shift the lever fully into N;
- close the hole using the covering
plate H to prevent foreign bodies
from falling into the gearbox and
damaging it.
The gearshift lever is now released.
While moving the gearshift lever,
remember to press the button B on
the lever.
WARNING: Work extremely carefully
so as not to damage the trim panels.
H
If the automatic parking brake
engagement system is active, the EPB
will be automatically applied when
the vehicle is stopped, see page 174.
WARNING: In the event of a battery
failure, manually disengage the
parking brake (EPB) before you drive,
see page 176.