See also:

Input volume
Adjust the input volume in the RSE menu, under A/V AUX input volume. ...

Driving Dynamics: Engines
The Volvo S40 is available with a range of high-tech engines that reflect its role as a premium alternative. Three new engines joined the range in 2007: a 145 PS 2.0-litre petrol, a five-cylinder ...

Getting started
Voice control button on the steering wheel ...