Faults with regard to brightness
WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
The brightness of the FD is controlled depending on various signals. Brightness of the FD to which the customer is not accustomed can lead to complaints. In this case, take account of the following causes:
- An individual brightness value can be set for the FD. The brightness value is set at the controller via menu guidance. The set brightness value depends on the ignition key.
- Under certain circumstances, the set brightness value can be reset after programming or after undervoltage.
- At very high temperatures in the FD, it reduces the brightness.
- The brightness of the FD is controlled depending on the signal terminal 58g as soon as the light is switched on.
- The brightness of the FD is controlled depending on the light intensity registered by the built-in photo diode.