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:

Folding down the second seats
Before folding down the second seats Stow the armrest. With a side table: stow the side table. Stow the second seat belt buckles. Without a side table With a side table Pass the outer seat belts through the seat belt hangers and secure the seat belt plates. ...