Volvo 2007 S80 - Manual (Page 168)

05 During your journey
167
Driving with a trailer
05
Removing the towball
Insert the key and turn it clockwise to the
unlocked position.
Push in the locking wheel and turn it
anticlockwise until you hear a click.
Turn the locking wheel down fully, until it
comes to a stop. Hold it in this position
while pulling the towball rearward and
upward.
Insert the guard plug.
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