AR54.10-P-1129-02CWA Check Battery Voltage By Means of the Instrument Cluster (IC)

AR54.10-P-1129-02CWA Check Battery Voltage By Means Of The Instrument Cluster (IC)
- except CODE (442) Comfort multifunction steering wheel


The current voltage of the on-board electrical system battery can be called up via the instrument cluster.

1. Transmitter key in electronic ignition lock control unit in position 1 (terminal 15R).
2. Select the displays of the trip odometer and odometer in the basic menu.
3. Press the "R" button in the left button block, in addition press the "+" button in the right button block. Keep both buttons pressed for approx. 3 s.
4. Read off on-board power supply voltage in the instrument cluster.
5. To exit the workshop menu, switch off ignition.