BMW 550i xDrive Gran Turismo 2010 User Manual

Page 113

driving speed and style to the traffic condi‐
tions.◀
The braking intervention can be interrupted by
pressing on the accelerator or by actively mov‐
ing the steering wheel.
When towing or tow-starting the vehicle, switch
off the collision warning with the braking func‐
tion to prevent accidental interventions.
The braking function is deactivated if the DSC
Dynamic Stability Control or DTC Dynamic
Traction Control is deactivated.

Switching the warning function on/off

Press the button

▷

On: the LED lights up.

▷

Off: the LED goes out.

The state is stored for the remote control cur‐
rently in use.

Configuring the prewarning

After the warning function is switched on, the
following can be set via the iDrive:

▷

The prewarning can be switched on/off.

▷

The time of the prewarning can be set.

These settings have no effect on the time of the
warning from the Active Cruise Control* that
prompts the driver to intervene or brake.

Display

The collision warning can be issued in the in‐
strument cluster, in the Head-up Display* and
acoustically.

Instrument cluster

The vehicle lights up in red: prewarning

The vehicle flashes red and an acoustic
signal sounds: acute warning
You are requested to intervene by brak‐

ing or making an evasive maneuver.

Adapting your speed and driving style
The display does not relieve the driver of

the responsibility to adapt his or her driving
speed and style to the traffic conditions.◀

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

The detection capacity of the radar sensor and
the collision warning has limitations.
This may result in the warning not being issued
or being issued late.
For example, the following situations may not be
detected:

▷

Slow moving objects when you approach
them at high speed.

▷

Vehicles that suddenly swerve in front of
your vehicle.

▷

Two-wheeled vehicles ahead of you.

▷

Pedestrians.

Functional limitations

The system may not be fully functional in the
following situations:

▷

In heavy fog, rain or snowfall.