What is the most effective and regulatory way to warn other drivers that you intend to immobilize the vehicle or slow down significantly?

Question

DentroTest · Accepted Answer

According to General Traffic Regulations, the intention to immobilize the vehicle or to slow down significantly, even when imposed by traffic circumstances, must be warned, whenever possible, by the repeated use of brake lights (tapping the pedal repeatedly). Although it is also legal to signal with the arm (moving it up and down with short, quick movements), using lights is the most recommended way because it allows keeping both hands on the steering wheel and is more visible at night. Honking is incorrect, as its use is restricted to warnings of imminent danger or overtaking, not to signal a stop.

What is the most effective and regulatory way to warn other drivers that you intend to immobilize the vehicle or slow down significantly?

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