See also:

Temperature control dial
This dial regulates the temperature of airflow from the air outlets over a range from the blue side (cool) to red side (warm). ...

Selecting audible signal operation
Using an electronic chirp, the system will give you an audible signal when the doors lock and unlock. If desired, you may turn the audible signal off. Do the following to deactivate the audible ...

Volume control switch
Press the switch to the “+” side to increase the volume. Press the switch to the “−” side to reduce the volume. A number indicating the volume will be shown on the audio display. ...