Parking Lock
WARNING: This page is about a different car, the 2002 Jaguar XKR and 2001 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.
This component prevents movement of the vehicle by engaging a fixed pawl with the parking lock gear located on the output shaft. The pawl is engaged by moving the gear selector lever to the park (P) position.