See also:

Connecting headphones
You can connect headphones with a jack plug or operate them using the infrared interface. To enable optimal use of the infrared interface, use infrared headphones that comply with the IEC 61603 ...

Loss of the remote controls
Lost remote controls can be blocked by your service center. ...

Status indicator on the Control DisplayThe status is displayed.
The tire and system status is indicated by the color of the tires. A change in the tire inflation pressure during driving is taken into account. A correction is only necessary if this is indicat ...