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:

Warning message and warning buzzer list
Warning message Details/actions Color display only Indicates that:  there is a high possibility of a frontal collision; or  the pre-collision braking function is operating a buzzer also sounds.  Slow the vehicle by ...