Adaptive cruise control* - overview
The adaptive cruise control(ACC – Adaptive Cruise Control) helps the driver to maintain an even speed combined with a pre-selected time interval to the vehicle ahead.
Standby mode ceases and the stored speed is resumed. 
Cruise control - On/Off or Standby mode. 
Time interval - Increase/decrease. 
Activate and adjust the speed. 
(Not used) 
Green marking at stored speed (WHITE = standby mode). 
Time distance 
ACC is active at the GREEN symbol (WHITE = standby mode).