When the car is following another vehicle and the driver indicates an impending overtaking manoeuvre with the direction indicator1, the adaptive cruise control helps to briefly accelerate the car towards the vehicle in front.
This function is active at speeds above 70 km/h.
Warning
Be aware that this function can be activated in more situations other than during overtaking, e.g. when a direction indicator is used to indicate a change of lane or exit to another road - the car will then accelerate briefly.