Display and setting adjustment for speed-dependent volume control (GAL)

The display shows the factor for raising the volume level as vehicular speed increases. The value indicates the extent to which the volume is raised. The adjustment setting is selected using the function keys. The value can vary between 1 and 6. Value 1 is minimal increase. Value 6 equates with a maximum increase. Depending upon the specific model, the default setting will be between 2 and 3.