See also:

Changing the battery
If required, replace the battery with a genuine spare part having the same specifications. If a battery with different specifications is fitted, the service intervals given in the “Service schedule ...

Troubleshooting
General Sound Volume Low The Fader function should be adjusted to the values “F” (front) only to prevent the reduction in radio output power and the cancelling of the volume if the Fader level a ...

To Open
Press and hold the power sunroof switch rearward for approximately one second and the sunroof will stop at the vented position. Press the switch a second time and hold for approximately one second ...