See also:

To play iPod tracks via voice operation (vehicles with Bluetooth® 2.0 interface)
Desired tracks can be selected and played from your iPod by “Artist”, “Album”, “Playlist” and “Genre” using voice commands. For information concerning the voice recognition function ...

Vehicles with CVT
...

Fuel injection amount learning process (diesel-powered vehicles)
To keep exhaust emissions and engine noise low, the engine very occasionally performs a learning process for the fuel injection amount. The engine sounds slightly different from usual while the lea ...