If the doors were locked with the central locking button, they can be opened by pulling the inner door handle:
Automatic door locking
Your authorized Porsche dealer can program diverse types of automatic door locking in the control unit of the central locking system:
Doors lock automatically when the ignition is switched on.
Doors lock automatically when a speed of 3 - 6 mph (5 - 10 km/h) is exceeded.
Doors lock automatically when the ignition is switched on. If doors are opened with the engine running, they lock again automatically when a speed of 3 - 6 mph (5 - 10 km/h) is exceeded.
The doors do not lock automatically.
Automatically locked doors can be unlocked with the central locking button or opened by pulling on the inside door handle twice.
Emergency Auto Lock Override
In an emergency situation where you need to exit the car through an automatically locked door, remember the following procedure to open the door.
Alarm System, Passenger Compartment Monitoring
This device complies with:
Part 15 of the FCC Rules
RSS-210 of Industry Canada.
Operation is subject to the following two conditions: