Instrument panel lighting
The instrument panel lighting illuminates when
the ignition key is in position II and the light
switch (1) is in either position 
Move the thumb wheel (4) up to increase brightness or down to decrease brightness.
See also:
Fuel requirements
Octane rating
Minimum octane
Typical pump octane label
Volvo recommends premium for best performance,
but using 87 octane1 or above will not
affect engine reliability.
Volvo engines are desi ...
Operation and function
LDW can be switched on or off by pressing the
button on the center console. A light in the button
illuminates when the function is on.
The trip computer display shows Lane Depart
Warn Standby ...
Operation
Chassis settings
Use the buttons in the center console to
change setting. The setting in use when the
engine is switched off is activated the next time
the engine is started. ...