When driving in fog:
1)Dont use high beam lights because they will reflect and create a glare : use low beam headlamps and fog lamps as well.
2)If you have to stop for whatever reason, try to stop in a visible parking lot/gas station and turn OFF your headlamps/parking lights and switch on the internal dome lights and hazard lights (emergency blinkers).
3) Keep the air conditioner on along with air circulation and front & rear defoggers. Mild temperature is best.
4) Keep the windows (slightly) open so you can hear other cars' movement.
5) Don't move with hazard lights on - others will think you are stopped.
6) When you are stopped pull as far left/right as you can and make sure your lights are OFF!
Best regards