Toyota Highlander Service Manual: Power steering system

Power steering

...

Precaution

1. HANDLING PRECAUTIONS FOR STEERING SYSTEM (a) Care must be taken when replacing parts. Incorrect replacement could affect the performance of the steering system and result in a driving hazard. ...

More about Toyota Highlander:

Setting the vehicle speed (vehicle-to-vehicle distance control mode)
Press the “on-off” button to activate the cruise control. Radar cruise control indicator will be displayed. Press the button again to deactivate the cruise control. Accelerate or decelerate the vehicle to the desired speed, and push the lever down to set the speed. ...