Volvo V70 Owner's Manual page 114

1. Insert the key and turn it clockwise to the
unlocked position.
4. Insert the guard plug.
IMG-20418
2. Push in the locking wheel and turn it
anticlockwise until there is an audible click.
IMG-204190
Detachable towbar – mounting the ball section
IMG-204188
3. Turn the locking wheel down fully until it
IMG-20418
comes to a stop. Hold it in this position
while pulling the towball rearward and
upward.
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