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:

Child restraint systems
A child restraint system for a small child or baby must itself be properly restrained on the seat with the latch anchors or the lap portion of the lap/shoulder belt. The laws of all 50 states of the U.S.A. And canada now require the use of child restraint systems. Points to remember Studies ...