Problems with PARKTRONIC

Problem Possible causes/consequences and Solutions Solutions
Only the red segments in the PARKTRONIC warning displays are lit.
You also hear a warning tone for approximately two seconds.
PARKTRONIC is deactivated after approximately 20 seconds, and the indicator lamp in the PARKTRONIC button lights up.		 PARKTRONIC has malfunctioned and has switched off.
workshop. If problems persist, have PARKTRONIC checked at a qualified specialist workshop.
Only the red segments in the PARKTRONIC warning displays are lit.
PARKTRONIC is deactivated after approximately 20 seconds.		 The PARKTRONIC sensors are dirty or there is interference.
Clean the PARKTRONIC sensors.
Switch the ignition back on.
The problem may be caused by an external source of radio or ultrasound waves.
See if PARKTRONIC functions in a different location.
    See also:

    Precise wheel location: the front axle with McPherson struts
    At the front axle a three-link construction with McPherson struts is used. The lower link level consists of two separate elements which act as torque and cross struts and which are both forged fro ...

    Notes on driving
     - If the vehicle is heavily laden, check the tire pressures and correct them if necessary.  - When parking your vehicle, make sure that the tires do not get deformed by the curb or o ...

    Setting the air distribution in the front/rear compartment using COMAND
    The air distribution can be set using COMAND. ...