Volvo XC90: Lighting / Rear fog light
The rear fog light is considerably brighter than ordinary taillights and should
only be used to help other road users see the vehicle when visibility is reduced
by conditions such as fog, snow, smoke or dust.

Rear fog light button.
The fog lights are located on the right and left sides of the rear of the vehicle.
The rear fog light can only be used when:
- ignition mode II is active and the lighting ring is in position
or

- the lighting ring is in the
position and the front fog lights are on.
Press the button to switch on/off. The
symbol in the instrument panel illuminates
when the rear fog light is on.
The rear fog light turns off automatically when:
- the ignition is off or the lighting ring is in the
position.
- the lighting ring is in the
position and the front fog lights are turned off.
NOTE
Regulations concerning rear fog light use vary from country to country.
(Option/accessory)
The fog lights can be activated manually when driving in fog and are activated
automatically when backing up to help augment the backup light...
The brake lights are automatically illuminated when braking.
The brake lights are illuminated when the brake pedal is depressed and when the
brakes are automatically applied by a driver support system...
Other information:
In the ceiling in front of the driver's and front passenger's seats, there
are sun visors that can be lowered and angled to the side as necessary.
The illustration is generic – the design may vary.
The mirror lighting* comes on automatically when the visor is lifted up...
The Electronic Stability Control (ESC1) function helps the driver
avoid skidding and improves the vehicle's directional stability.
This symbol will be displayed in
the instrument panel when the system is intervening.
When the system has intervened to apply the brakes, a pulsing sound may be heard
and the vehicle may accelerate more slowly than expected when the accelerator pedal
is depressed...