Measurement

Measurements are made by ultrasound sensors in the bumpers.

The range is approx. 6 ft/2 m.

An acoustic warning is first given:

  • By the front* sensors and the two rear corner sensors at approx. 24 in/60 cm.
  • By the rear middle sensors at approx. 5 ft/ 1.50 m.
    See also:

    External temperature
    External temperature warning If the display drops to +37 ℉/+3 ℃, a signal sounds. A Check Control message is displayed. There is the increased danger of ice. Ice on roads Even ...

    Tire inflation pressure values over100 mph/160 km/h
    X3 28i X3 35i ...

    Warning stages
    Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning Warning of the imminent danger ...