In the case of dense fog, which lights is it mandatory to have switched on in order to drive a car?
Lighting
Explanation
In conditions of **dense fog**, it is crucial to use the appropriate lighting to ensure safety while driving.
- **Position light**: This light is essential for other drivers to see your vehicle, especially in low visibility conditions such as fog.
- **Low beam or dipped headlights**: These are mandatory both at night and during the day in low visibility situations, such as in tunnels or temporary lanes. In fog, these lights help illuminate the road without dazzling other drivers.

- **Rear fog light**: This light is crucial in dense fog conditions, as it allows vehicles coming from behind to see you clearly. It is mandatory in these conditions to prevent accidents.
Therefore, in case of dense fog, it is mandatory to have the **position light**, the **low beam**, and the **rear fog light** on to drive safely.
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