Selecting and activating cruise control functions
The cruise control functions have to be selected in the centre display first before they can be activated using a steering wheel button. This is applicable to the speed limiter (SL1), automatic speed limiter (ASL2), cruise control (CC3), adaptive cruise control (ACC4) and Pilot Assist.
Press the steering wheel button 
or 
to scroll to the symbol in the driver display for the desired function.
- Speed limiter:
- Cruise control:
- Adaptive cruise control:
- Pilot Assist:
The symbol in the driver display is grey – the function is selected.
When a function is selected – press the steering wheel button 
to activate it.
to activate it.The symbol in the driver display lights up – the function is started and the current speed is stored as the maximum speed.
If the function is set to standby mode – press the steering wheel button 
to reactivate it.
to reactivate it.The driver display's cruise control markings light up – the car then continues to follow the last speed stored.
Toggling between the speed limiter and the automatic speed limiter
The automatic speed limiter can be activated and deactivated as a supplement to the speed limiter.
Activate or deactivate the function using this button in the centre display's function view.
- Illuminated button – the function is activated. Press the steering wheel button to start the automatic speed limiter with the current speed.
- Extinguished button – the function is deactivated. Normal speed limiter is activated instead.
Criteria
Certain criteria have to be met to be able to start any of the functions.
Speed limiter and automatic speed limiter
- The speed limiter cannot be activated until after the engine has been started.
- The lowest maximum speed that can be stored is 30 km/h (20 mph).
Cruise control
- In order to start the cruise control from the standby mode, the car's current speed must be 30 km/h (20 mph) or higher.
Adaptive cruise control
- 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).
Pilot Assist
- The driver's seatbelt must be buckled and the driver's door must be closed.
- The lane's edge markings must be clear and must be detected by the car.
- 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).
- The speed must not exceed 140 km/h (87 mph).
- The driver must keep his/her hands on the steering wheel.