Making holes

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Marked Areas To Drill

Courtesy of VOLVO CARS OF NORTH AMERICA.

Punch mark 1, 2, 3, 4.
Drill with Ø3.
Drill with Ø6.
Even though the intersection points do not look like they do in reality, the principle does apply (The appearance of the intersection points originates from the rear door).