System limits
Be alert
Due to system limitations, warnings may
be not be issued at all, or may be issued late or
improperly. Therefore, always be alert and ready
to intervene; otherwise, there is the danger of an
accident occurring.◀
Detection range
This may result in the warning not being issued or being issued late.
For example, the following situations may not be detected:
▷ Slow moving vehicles when you approach
them at high speed.
▷ Vehicles that suddenly swerve in front of you
or sharply decelerating vehicles.
▷ Vehicles with an unusual rear appearance.
▷ Two-wheeled vehicles ahead of you.
Functional limitations
The system may not be fully functional in the following situations:
▷ In heavy fog, rain, sprayed water or snowfall.
▷ In tight curves.
Prewarning sensitivity
Each time after the prewarning time is set, this may result in increased false warnings.
See also:
Configuring the warning time
After the warning function is switched on, the
warning time can be set via the iDrive. For a late
warning time, prewarning is deactivated.
These settings have no effect on the time of the
warni ...
Declaration according to NHTSA/FMVSS 138 Tire Pressure
Monitoring Systems
Each tire, including the spare (if provided)
should be checked monthly when cold and inflated
to the inflation pressure recommended by
the vehicle manufacturer on the vehicle placard
or tire i ...
Switching off automatically
The system switches off and the LED goes out:
▷ After approx. 160 ft/50 m when driving forward.
▷ Above approx. 22 mph/36 km/h when driving
forward.
Switch on the system again if nece ...
