Toyota Highlander Service Manual: Sliding roof/convertible

Engine immobilizer system

REGISTRATION 1. DESCRIPTION OF CODE REGISTRATION (a) When adding master keys and sub-keys (additional registration).  Register the key code (immobilizer code) in the transponder key ECU. ...

Sliding roof system

...

More about Toyota Highlander:

Unlocking and locking the doors from the inside
Door lock switch Locks all the doors Unlocks all the doors Inside lock buttons Locks the doors Unlocks the doors The front doors can be opened by pulling the inside handle even if the lock buttons are in the lock position. ...