See also:

Volume control
Volume control You can adjust the phone call volume, the voice volume and the voice guidance volume. Refer to “Volume control buttons”. ...

Setting the playing speed (only when the audiobook is playing) (type D audio)
Each time you briefly press (the “RPT” button) while the audiobook is playing, the playing speed changes in the following sequence. ...

Meters and gauges
NOTE Liquid crystal displays are used in some of the meters and gauges in the combination meter. You will find their indications hard to see if you wear polarized glasses. ...