Volvo 2008 C30 Owner's Manual page 96

There are two storage compartments under the front, center armrest.
Press the smaller button on the front edge of the armrest and lift the armrest cover to access a shallow storage
compartment.
Press the larger button and lift the entire armrest to access a deeper compartment.
The deep storage compartment has room for 10 CD jewel cases. These cases must be inserted with their spines upward
in order to allow space for 10 cases in the storage compartment.
Cup holders in the center console
Two cup holders are located under the sliding cover in the center console.
The cup holders can be lifted out if necessary. To do so, grasp the indentation on the rear edge of the cup holder and
lift.
To put the cup holder back in place:
1. Slide the two locating tabs in the front side of the cup holder into the two corresponding recesses in the center
console storage space.