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:

Occupant classification ECU
COMPONENTS REPLACEMENT HINT: Installation is in the reverse order of removal. 1. PRECAUTION (SEE PAGE 60-1 ) 2. DISCONNECT BATTERY NEGATIVE TERMINAL (SEE PAGE 60-1 ) 3. REMOVE FRONT RH SEAT ASSY (SEE PAGE 72-1 1 (POWER SEAT) OR 72-19 (MANUAL SEAT)) 4. REMOVE OCCUPANT CLASSIFICATION ECU ...