Turn the knurled ring to 
.
The warning light 
on the instrument
cluster will come on.
With dipped beam and front fog lights on, turning on the main beam headlights will turn off automatically the dipped beam headlights.
See also:
Dipped beams
To change the halogen bulb, proceed as follows:
1) Remove the protection cover Bfig.
18 turning it counterclockwise;
2) Release clip A-fig. 20, remove connector B and remove the bulb C.
...
3. Front Fog Light Indicator — If Equipped
This indicator will illuminate when the front fog lights are on. ...
Failure Indications
A malfunction of the Rear Park Assist sensors or system is indicated, during
REVERSE gear engagement, by the instrument panel warning icon.
The warning icon is illuminated and a message is displa ...