The Battery is mounted in the boot (trunk) of this vehicle.
To access you need to go into the boot, lift the rear cover off (from the floor)
You should see the battery sitting in the middle of the rear (with a black plastic cover)
N.B. you can jump start this vehicle from the engine bay - where a positive feed (marked in red) is located by the front fuse board.
Under the back cargo compartment.
The 2011 Volvo XC90 has 24 valves.
The 2012 Volvo XC90 has 24 valves.
The 2006 Volvo XC90 has 20 valves.
The 2007 Volvo XC90 has 24 valves.
The 2009 Volvo XC90 has 24 valves.
The 2005 Volvo XC90 has 20 valves.
The 2004 Volvo XC90 has 20 valves.
The 2014 Volvo XC90 has 24 valves.
The 2008 Volvo XC90 has 24 valves.
The 2013 Volvo XC90 has 24 valves.
The 2003 Volvo XC90 has 20 valves.