FIAT 500L - Manual (Page 303)

Loudness
(for versions/markets, where provided)
To activate/deactivate the "Loudness" function to
improve the sound quality at low volumes.
Auto-On Radio
To set the radio behaviour when the ignition key is
turned to MAR.
The options are radio on, radio off or reset of the
condition active when the ignition key was last
turned to STOP.
Radio Off Delay
To keep the radio on for a preset time after the
ignition key is turned to STOP.
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