Adjusting the Volume
Buick LaCrosse / Buick LaCrosse Owners Manual / Infotainment System / Audio Players / Auxiliary Devices (Radio with CD and Touchscreen) / Adjusting the Volume
Turn the VOL/ 
knob to adjust the
volume of the infotainment system
after the volume level has been set
on the portable audio device.
See also:
Battery Load Management
The vehicle has Electric Power
Management (EPM) that estimates
the battery's temperature and state
of charge. It then adjusts the voltage
for best performance and extended
life of the batter ...
Radio with CD (Base)
Base Radio Shown, Bose® Similar
If your vehicle has the Bose® audio system, your
vehicle has six Bose® amplified speakers. ...