See also:

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purp ...

Switching on
The cooler can be operated at two levels. 1. Switch on the ignition. 2. Press the button once for each cooling level. The highest cooling power is active when two LEDs are lit. If the coole ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...