See also:

On/Off button
To activate the system: 1. Turn the ignition key to position I. NOTE If you switch off the ignition while the audio system is on, the system will be on when the ignition is switched on again. ...

Messages
When a warning, information or indicator symbol comes on, a corresponding message appears on the information display. An error message is stored in a memory list until the fault is rectified ...

Custom Build Program
In addition to traditional optional features like a navigation system, power moonroof and Sirius Satellite Radio, buyers who want to customize the C30 can do so through Volvo's Custom Build progra ...