Windows and optional moonroof

The ECC system will function best if the windows and optional moonroof are closed. If you drive with the moonroof open, we recommend that you manually adjust the temperature and blower control (the LED in the AUTO switch should be off).
See also:
Getting started
Use the controls on the steering wheel keypad and in the center console to access,
navigate and make selections in the hands-free system’s menus. ...
C70 in the Market
The C70 is a good luxury convertible, but it's in a class where good might
not be enough. Competitors — notably the Mercedes-Benz E-Class — do a better job
of protecting those in the car from buff ...
Reverse
The vehicle must be stationary when position R is selected. ...
