To link a key with the L322 Range Rover Body Control Module (BCM) there are a few steps that need to be performed.
1. Enter the vehicle and make sure that all doors are shut and locked.
2. Insert the new key into the ignition switch.
3. Turn the key to position 1. Turn the key to position 0 and remove within 5 seconds.
4. Within 25 seconds perform the following steps
5. Press and hold the unlock button on the remote.
6. Press the lock button 3 times.
7. Press both unlock and lock together.
If the procedure was successful, the doors will lock and unlock.
Repeat steps 4-7 for additional keys.