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:

Child restraint systems with a top tether strap
Raise the head restraint so that the top tether strap can easily be passed between the head restraint and seatback. If your child restraint system interferes with a head restraint and cannot be installed properly, install the child restraint system after removing the head restrain ...