See also:

Acc
In this position the electrical accessories (radio, accessory power outlet, etc.) can be used. ...

Unfastening the front seatbelt
Push the button on the buckle. Before closing the door, make sure that the belts are retracted properly to avoid catching the belt webbing in the door. ...

Seatbelt maintenance
To clean the seatbelts, use a mild soap and lukewarm water. Never bleach or dye the belts because this could seriously affect their strength. Inspect the seatbelts and attachments including the web ...