WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Steering Wheel Position
Courtesy of VOLVO CARS OF NORTH AMERICA.
Release steering wheel adjustment lever.
Push steering wheel in as far as it will go and turn it upwards as far as possible. Lock steering wheel in position.