Toyota Highlander Service Manual: Power door lock control system

Theft deterrent & door lock

...

Precaution

1. NOTICES FOR REMOVAL AND INSTALLATION OPERATION (a) When performing operation related to the door lock system and door lock key cylinder, be sure to disconnect the battery terminal or the connec ...

More about Toyota Highlander:

Warning lights and indicators
The warning lights and indicators on the instrument cluster and center panel inform the driver of the status of the vehicle’s various systems. For the purpose of explanation, the following illustration displays all warning lights and indicators illuminated. Vehicles with monochrome displ ...