Optimal sound reproduction

The audio system is pre-calibrated for optimal sound reproduction using digital signal processing.
This calibration takes into account factors such as the speakers, amplifier, cabin acoustics, the listeners' seating positions, etc., for each combination of vehicle/infotainment system.
There is also a dynamic calibration that takes into consideration the volume level, radio reception, and the speed of the vehicle.
The settings that are described in this manual, (Bass, Treble, Equalizer etc.) are only intended to enable the user to adapt sound reproduction to his/her personal tastes.
See also:
Deposit control gasoline (detergent additives)
Volvo recommends the use of detergent gasoline
to control engine deposits. Detergent
gasoline is effective in keeping injectors and
intake valves clean. Consistent use of deposit
control gasol ...
Use of Additives
With the exception of gas line antifreeze during winter months, do not add solvents,
thickeners, or other store-bought additives to your vehicle's fuel, cooling, or
lubricating systems. Overus ...
Cleaning the brake discs
Coatings of dirt and water on the brake discs
may result in delayed brake function. This delay
is minimized by cleaning the brake linings.
Cleaning the brake pads is advisable in wet
weather, p ...
