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:
The fuel tank is equipped with a fuel filling system without a cover.
Refueling the vehicle at a service station
It is important to insert the pump's nozzle past both of the
two flaps in the fuel filler pipe before beginning fueling.
Instructions for fueling:
Turn off the engine and open the fuel filler door...
(Option/accessory.)
There is a function button for driving at low speeds with Hill Descent
Control in the center display's Function view if the vehicle is not equipped
with a drive mode control in the tunnel console.
Selecting Low Speed Control in the center display's Function view
Tap the Hill Descent Control button to activate or deactivate the
function...