See also:

Using ACC On Hills
When driving on hills, ACC may not detect a vehicle in your lane. Depending on the speed, vehicle load, traffic conditions, and the steepness of the hills, ACC performance may be limited. ...

Child-Protection Door Lock System — Rear Doors
To provide a safer environment for small children riding in the rear seats, the rear doors are equipped with Child-Protection Door Lock system. ...

TUNE Control
Turn the rotary TUNE/SCROLL control knob clockwise to increase or counterclockwise to decrease the frequency. ...