Volvo 2007 C70 Owner's Manual page 98

The eyelets in the trunk can be used to fasten accessory load and lashing straps, load nets, and other load anchors.
12-volt socket (option)
Fold down the lid to use the socket.
Using the 12-volt socket while the engine is not running drains the vehicle's battery.
If the ignition is switched off and a device drawing more that 0.1A is connected to a socket, a battery alert will be
shown in the driver information display.
The cover should be kept on when the auxiliary socket is not in use.
105
04 Interior
Storage compartments
Carrying long loads (ski hatch)