When driving during the day through a sufficiently lit tunnel, must any lights be switched on?
Lighting
Explanation
To drive during the day through a tunnel, even if it is **sufficiently illuminated**, it is mandatory to turn on certain vehicle lights. This is because, when passing through a tunnel, visibility and safety must be ensured for both the driver and other road users.
- **Position and dipped beam lights**: Upon entering a tunnel, it is necessary to turn on both the position lights and the dipped beam lights. The position lights help other drivers see your vehicle, while the dipped beam lights improve your visibility inside the tunnel.
- **General rules**: Even if the tunnel is well-lit, the regulations require the use of these lights to ensure that all vehicles are visible and can react appropriately to any situation.
Therefore, the correct answer is to turn on **both the position and dipped beam lights** when driving through a tunnel during the day.
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