▷ Personal driving style, for instance steering
▷ Driving conditions, for instance length of trip.
Starting at approx. 43 mph/70 km/h, the system
is active and can also display a recommendation
to take a break.
Switching on/off, adjusting
The alertness assistant is active automatically
with each switching on of drive-ready state and
can thus display a break recommendation.
The break recommendation can also be
switched on or off and adjusted via iDrive.
2. "Vehicle settings"
3. "Driver attention control"
4. Select desired setting:
▷ "Off": no break recommendation is made.
▷ "Standard": the break recommendation is
made with a defined value.
▷ "Sensitive": the break recommendation is
If the driver becomes less alert or fatigued, a
message is displayed in the Control Display with
the recommendation to take a break.
During the display, the following settings can be
▷ "Do not ask again"
▷ "Places to stop"
▷ "Remind me later"
The break recommendation is repeated after
After a break, another recommendation to take a
break cannot be displayed until after approxi‐
mately 45 minutes.
The function may be limited in the following sit‐
uations, for instance and will either output an in‐
correct warning or no warning at all:
▷ When the clock is set incorrectly.
▷ When the vehicle speed is mainly below
about 43 mph/70 km/h.
▷ With a sporty driving style, such as during
rapid acceleration or when cornering fast.
▷ In active driving situations, such as when
changing lanes frequently.
▷ When the road surface is poor.
▷ In the event of strong side winds.
The system is reset approx. 45 minutes after
parking the vehicle, for instance in the case of a
break during longer trips on highways.
Online Edition for Part no. 01402896703 - X/18