Fault tracing

This fault tracing is only intended for vehicles equipped with the parking assistance system.

If the parking assistance system is activated and sound from the radio/CD/cassette/MD is muted when reverse gear is engaged even through there is no object within 1.5 meters behind the vehicle:

Try reprogramming the audio module (AUM).

Other information: 

• To reprogram the audio module (AUM):
  • For -2004, see:Radio cassette player, replacing .
  • For 2005-, see:Audio unit, replacing .
  .

• Continue 

  Refer to Verification