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:

On-vehicle inspection
CAUTION: Be sure to perform the initialization of the occupant classification ECU if any of the following conditions occur (see page 05-1207 ). If the initialization is not performed, the SRS may not operate properly. The occupant classification ECU is replaced. Accessories (seatback tr ...