Volvo XC90 Owner's Manual page 164

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 visi-
bility is reduced by conditions such as fog,
snow, smoke or dust.
Rear fog light button.
The rear fog light consists of a light on the rear
of the vehicle on the driver's side.
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
•
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.
162
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
•
the front fog lights are turned off.
NOTE
Regulations concerning rear fog light use vary
from country to country.
Related information
• Lighting control and panel (p. 154)
• Front fog lights/cornering illumination*
(p. 161)
• Ignition modes (p. 392)
position and
Brake lights
The brake lights are automatically illuminated
when braking.
The brake lights are illuminated when the brake
position and
pedal is depressed and when the brakes are
automatically applied by a driver support system.
Related information
• Emergency brake lights (p. 163)
• Brake functions (p. 394)
• Driver support systems (p. 276)
* Option/accessory.