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:

If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your toyota dealer or commercial towing service, using a lift-type truck or flatbed truck. Use a safety chain system for all towing, and abide by all state/ provincial and local laws. 2Wd models: if towing your vehicle with a ...