See also:

Scanning
SCAN automatically searches through the list of satellite channels. The search will only be carried out in the selected category, see page 214 for more detailed information on the scan function. ...

Symbols and messages in the display
...

When does BLIS function
The system functions when your vehicle is moving at speeds above 6 mph (10 km/h). When you pass another vehicle: The system reacts when you pass another vehicle at a speed of up to 6 mph (10 km/ ...