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

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More about Toyota Highlander:

Automatic door locking and unlocking systems
The following functions can be set or canceled: for instructions on customizing, refer to p. 662. Function Operation Speed linked door locking function All doors are automatically locked when vehicle speed is approximately 12 mph (20 km/h) or higher. Sh ...