What lighting must be switched on when driving if weather or environmental conditions significantly reduce visibility?

Question

DentroTest · Accepted Answer

When weather or environmental conditions appreciably reduce visibility, position lights are mandatory and, in addition, the front fog lights or the low or high beam, under Articles 99(1) and 106(2) of the General Traffic Regulations. The front fog lights may be used without low or high beam; the latter may only be used when permitted and without dazzling others. Position lights alone are not enough. The rear fog light must only be switched on in especially unfavorable conditions, such as thick fog, very heavy rain, heavy snowfall or dense smoke or dust.

What lighting must be switched on when driving if weather or environmental conditions significantly reduce visibility?

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