See also:

Windows fogged up on the outside
Switch on the windshield wipers. Activate automatic climate control. You should only select this setting until the windshield is clear again. ...

Increasing the volume
In some cases, the volume of the AUX device may be quieter or louder, or the usual maximum possible volume cannot be reached. On some devices, it is possible to adjust the volume separately. I ...

Attaching the roof carrier
Secure the roof carrier to the roof rails. Observe the manufacturer's installation instructions. ...