What do you have to be aware of with this traffic sign?

This traffic sign indicates a mandatory left turn. According to German traffic laws, when you encounter this sign, you are required to turn left when you reach the intersection ahead.

In terms of signaling, it's important to signal your intention to turn left well in advance, which helps ensure safety for both you and other road users. You must not continue straight or turn right at this intersection; doing so would be a violation of the rules governing mandatory traffic signs.

Understanding this sign is crucial for navigating intersections correctly and safely. Always remember to obey the specific directional instructions given by traffic signs to maintain road safety.