- The driver's seatbelt must be buckled and the driver's door must be closed.
- There must be a vehicle (the "target vehicle") within reasonable distance in front of the car, or the current speed must be at least 15 km/h (9 mph).
- For cars with manual gearbox. Speed must be at the lowest 30 km/h (20 mph).
Reactivating adaptive cruise control to the last stored speed
Additional indicators in the driver display
The time interval is only adjusted to the vehicle ahead by the ACC when the distance symbol shows two vehicles.
At the same time a speed range is marked.
The higher speed is the stored speed, and the lower speed is that of the vehicle ahead (target vehicle).