See also:

TUNE Control (Rotary)
Turn the rotary TUNE/SCROLL control knob clockwise to increase or counterclockwise to decrease the channel. ...

Cleaning The Parksense System
Clean the ParkSense sensors with water, car wash soap and a soft cloth. Do not use rough or hard cloths. Do not scratch or poke the sensors. Otherwise, you could damage the sensors. ...

Outside Air Intake
Make sure the air intake, located directly in front of the windshield, is free of obstructions such as leaves. Leaves collected in the air intake may reduce airflow, and if they enter the plenum ...