Do not install a child restraint system in the Sports bucket seat.
The key switch for switching off the passenger's airbag and the LATCH attachment bracket are not installed at the factory. They can be retrofitted (not on vehicles with Sports bucket seats).
Porsche recommends the use of a Porsche Child Seat with Lower Anchorage and Tether for Children system (LATCH).
These systems have been tested and adjusted to the interior of your Porsche and the appropriate child weight groups. Other systems have not been tested and could entail an increased risk of injury.
You can obtain child seats that are LATCH compatible at your authorized Porsche dealer.