It is obligatory to slow down the vehicle:
Pick an answer to test yourself
The correct answer: When entering a tunnel and driving in it.
You must slow down the vehicle when entering a tunnel and while driving in it. Merely driving on a non-urban road, with or without a separation area, is not what requires slowing down.
This question appears in the theory test for license:B · private carA · motorcycle1 · tractorC1 · light truckC · heavy truckD · bus
