Volvo C70 - Manual (Page 140)

06 Starting and driving
139
Detachable towbar
06
Removing the towball
– Insert the key and turn it clockwise to the
unlocked position.
– Push in the locking wheel (1) and turn it
anticlockwise (2) 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.