check engine Citroen C4 2015 2.G Service Manual

Audio and Telematics
82
C4-2-add_en_Chap13b_SMEGplus_ed01-2015
QUESTIONANSWERSOLUTION
There is a difference in sound quality between the different audio sources.
For optimum sound quality, the audio settings for Volume, Bass, Treble, Equalizer and Loudness can be adapted to the different sound sources, which may result in audible differences when changing source.
Check that the audio settings for (Volume, Bass, Treble, Equalizer, Loudness) are adapted to the sources listened to. It is advisable to set the Audio functions (Bass, Treble, Fr-Re balance, Le-Ri balance) to the middle position, select the "Linear", musical ambience and set the loudness correction to the "Active" position in CD mode or to the "Inactive" position in radio mode.
With the engine off, the system switches off after a few minutes of use.
When the engine is switched off, the system's operating time depends on the state of charge of the battery. The switch-off is normal: the system switches to economy mode and switches off to prevent discharging of the vehicle's battery.
Start the vehicle's engine to increase the battery charge.